Sou  search
Soufriere  search
BTCaribbean region
 .West Indies
 ..Antilles
 ...Lesser Antilles
 ....Soufriere
UFSoufriere Volcano
RTvolcanoes
 Montserrat
 Windward Islands
 La Grande Soufriere
 Saint Lucia
 Saint Vincent
SNUsed for volcanoes on Saint Vincent (N13#DG21' W061#DG11'), Montserrat, and Saint Lucia in the Antilles. For the volcano on Guadeloupe see La Grande Soufriere. Search in combination with island. Indexed with island as applicable. For the volcano on Guadel
Soufriere Volcano  search
USESoufriere
Souk-el-Arba salt works  search
BTAfrica
 .North Africa
 ..Tunisia
 ...Souk-el-Arba salt works
UFSouk-el-Arba Works
SNIn Souk-el-Arba area in NW Tunisia.
Souk-el-Arba Works  search
USESouk-el-Arba salt works
Soulanges County Quebec  search
BTCanada
 .Eastern Canada
 ..Quebec
 ...Soulanges County Quebec
Soultz-sous-Forets France  search
BTEurope
 .Western Europe
 ..France
 ...Bas-Rhin France
 ....Soultz-sous-Forets France
SNE France.
sound waves  search
USEacoustical waves
sounding  search
RTdeep magnetic sounding
 deep seismic sounding
 deep sounding
 echo sounding
 electrical sounding
 frequency sounding
 geophysical surveys
 measurement-while-drilling
 sonar methods
 geophysical methods
 seismology
Sounds National Park  search
USEFiordland National Park
source areas  search
USEprovenance
source regions  search
USEprovenance
source rocks  search
RTbiomarkers
 natural gas
 petroleum
 petroleum exploration
 reservoir rocks
 rocks
 tight sands
source terrains  search
USEprovenance
source terranes  search
USEprovenance
sourceland  search
USEprovenance
sources  search
SNA valid general term through 1978.
sources, energy  search
USEenergy sources
sources, heat  search
USEheat sources
sources, nonpoint  search
USEnonpoint sources
sources, point  search
USEpoint sources
sources, seismic  search
USEseismic sources
Souris River basin  search
RTAlberta
 North Dakota
 Saskatchewan
 Western Canada
SNAlso search Souris; Souris River. Indexed with North Dakota and/or Canadian provinces as applicable.
South Africa  search
BTAfrica
 .Southern Africa
 ..South Africa
NTBushveld Complex
 Cape fold belt
 Cape Province region
 Eastern Cape Province South Africa
 Free State South Africa
 Guateng South Africa
 Karroo Basin
 Klerksdorp Field
 KwaZulu-Natal South Africa
 Merensky Reef
 Mpumalanga South Africa
 North-West Province South Africa
 Northern Cape Province South Africa
 Northern Province South Africa
 Sutherland South Africa
 Transvaal region
 Vaal River
 Western Cape Province South Africa
 Witwatersrand
RTDwyka Formation
 Karroo Supergroup
 Kaapvaal Craton
 Kirkwood Formation
 Black Mountain
 Barberton greenstone belt
 Fig Tree Series
 Broken Hill Mine
 Beaufort Group
 Ecca Group
 Kalahari Desert
 Central Rand Group
 Damara Orogeny
 Elliot Formation
 Lebombo Mountains
 L
South America  search
NTAmazon Basin
 Amazon River
 Andes
 Argentina
 Bolivia
 Brazil
 Chaco
 Chile
 Colombia
 Ecuador
 Falkland Islands
 French Guiana
 Guajira Peninsula
 Guiana Basin
 Guianas
 Guyana
 Guyana Shield
 Lake Titicaca
 Orinoco River
 Orinoco River basin
 Paraguay
 Parana Basin
 Parana River
 Patagonia
 Patagonian Batholith
 Peru
 Precordillera
 Rio de la Plata
 Surinam
 Tierra del Fuego
 Uruguay
 Venezuela
RTAmerica
 Botucatu Formation
 Galapagos Islands
 Gondwana
 Latin America
 Llanos
 Pacific Coast
 Pacific mobile belt
 Rio Negro
 Roraima Formation
 South American Plate
 Transamazonian Orogeny
South American Atlantic  search
SNNo longer a valid term for GeoRef. Used from 1981-1994 for southwestern Atlantic bounded on the on the east by the Mid-Atlantic Ridge, and on the north by a line drawn between Cabo de Sao Roque, Brazil to Cape Palmas, Liberia. See South Atlantic.
South American Pacific  search
SNUsed from 1981-1994 for a region in the southeastern Pacific bounded on the north by the equator, on the east by South America, on the south by approximately 55#DGS, and on the west by the East Pacific Rise. See Southeast Pacific.
South American Plate  search
RTChile Margin Triple Junction
 plate tectonics
 plates
 South America
SNIncludes the South American continent (excluding a small portion in the Caribbean Plate) and part of the Atlantic Ocean W of the Mid-Atlantic Ridge. Extends northward to the Caribbean region and southward to the Scotia Ridge. Indexed with geographic area
South Antillean Arc  search
USEScotia Ridge
South Arabia  search
USEYemen
South Arcot  search
BTAsia
 .Indian Peninsula
 ..India
 ...Tamil Nadu India
 ....South Arcot
RTCoromandel Coast
SNRegion on Coromandel Coast in E Tamil Nadu, S India.
South Atlantic  search
BTAtlantic Ocean
 .South Atlantic
NTAngola Basin
 Argentine Basin
 Brazil Basin
 Campos Basin
 Cape Basin
 Falkland Plateau
 Maurice Ewing Bank
 Rio Grande Rise
 Southeast Atlantic
 Southwest Atlantic
 Vema Channel
 Walvis Ridge
RTAntarctic Bottom Water
 Drake Passage
 DSDP Site 23
 DSDP Site 24
 DSDP Site 14
 DSDP Site 15
 DSDP Site 16
 DSDP Site 17
 DSDP Site 18
 DSDP Site 25
 DSDP Site 328
 DSDP Site 356
 DSDP Site 361
 DSDP Site 511
 DSDP Site 512
 DSDP Site 513
 DSDP Site 514
 DSDP Site 519
 DS
SNBefore 1978, search Atlantic Ocean AND south. From 1981-1994, parts of Guyanese Atlantic and Cape Verde Atlantic were also sometimes used.
South Atlantic Ridge  search
SNNo longer a valid term for GeoRef. A valid term from 1981-1994. After 1994, use Mid-Atlantic Ridge and South Atlantic.
South Australia  search
BTAustralasia
 .Australia
 ..South Australia
NTAdelaide Australia
 Adelaide Geosyncline
 Balcanoona Australia
 Beltana Australia
 Coorong Lagoon
 Encounter Bay
 Eyre Peninsula
 Fleurieu Peninsula
 Flinders Range
 Gawler Craton
 Kangaroo Island
 Lake Eyre
 Lake Frome
 Lake Torrens
 Mount Lofty Ranges
 Olympic Dam Deposit
 Renmark Australia
 Saint Vincent Gulf
 Spencer Gulf
 Spilsby Island
 Willunga Australia
 Yorke Peninsula
RTBulldog Shale
 Burra Group
 Broken Hill Block
 Delamerian Orogeny
 Cooper Basin
 Discovery Bay
 Eucla Basin
 Gambier Embayment
 Giles Complex
 Great Artesian Basin
 Kanmantoo Group
 Murray Basin
 Lake Bonney
 Nullarbor Plain
 Murray River
 Musgrave Ranges
 Officer Basin
South Austrian Alps  search
BTEurope
 .Alps
 ..South Austrian Alps
BTEurope
 .Central Europe
 ..Austria
 ...South Austrian Alps
RTCarinthia Austria
SNThis term has multiple hierarchies. Added to Thesaurus in 1981.
South Austrian Molasse  search
BTEurope
 .Central Europe
 ..Austria
 ...South Austrian Molasse
SNAdded to Thesaurus in 1981.
South Canadian River  search
USECanadian River
South Carolina  search
BTUnited States
 .South Carolina
NTAbbeville County South Carolina
 Aiken County South Carolina
 Allendale County South Carolina
 Anderson County South Carolina
 Bamberg County South Carolina
 Barnwell County South Carolina
 Beaufort County South Carolina
 Berkeley County South Carolina
 Calhoun County South Carolina
 Charleston County South Carolina
 Cherokee County South Carolina
 Chester County South Carolina
 Chesterfield County South Carolina
 Clarendon County South Carolina
 Colleton County South Carolina
 Darlington County South Carolina
 Dillon County South Carolina
 Dorchester County South Carolina
 Edgefield County South Carolina
 Fairfield County South Carolina
 Florence County South Carolina
 Georgetown County South Carolina
 Greenville County South Carolina
 Greenwood County South Carolina
 Hampton County South Carolina
 Horry County South Carolina
 Jasper County South Carolina
 Kershaw County South Carolina
 Lake Jocassee
 Lancaster County South Carolina
 Laurens County South Carolina
 Lee County South Carolina
 Lexington County South Carolina
 Marion County South Carolina
 Marlboro County South Carolina
 McCormick County South Carolina
 Newberry County South Carolina
 Oconee County South Carolina
 Orangeburg County South Carolina
 Pickens County South Carolina
 Richland County South Carolina
 Saluda County South Carolina
 Santee River
 Savannah River Plant
 Snuggedy Swamp
 Spartanburg County South Carolina
 Sumter County South Carolina
 Union County South Carolina
 Williamsburg County South Carolina
 York County South Carolina
RTBrevard Zone
 Atlantic Coastal Plain
 Avalon Zone
 Charlotte Belt
 Carolina Bays
 Carolina slate belt
 Barnwell Formation
 Black Creek Formation
 Blue Ridge Province
 Carolina Terrane
 Castle Hayne Limestone
 Charleston earthquake 1886
 Dry Branch Formation
 Dunbarton
South Carpathians  search
USETransylvanian Alps
South Cascade Glacier  search
BTUnited States
 .Washington
 ..Skagit County Washington
 ...South Cascade Glacier
SNNear Mount Logan in North Cascades National Park, NW Washington.
South China Block  search
BTAsia
 .Far East
 ..China
 ...South China Block
UFSouth China Platform
RTYangtze Platform
SNSE China. Also see Yangtze Platform. Indexed with provinces as applicable. Added to Thesaurus in 1995.
South China Platform  search
USESouth China Block
South China Sea  search
BTPacific Ocean
 .North Pacific
 ..Northwest Pacific
 ...South China Sea
NTGulf of Siam
 Gulf of Tonkin
 Malay Basin
 Manila Trench
UFNan Hai
RTStrait of Malacca
 China Sea
 Taiwan Strait
 Hainan China
 Leg 124E
 ODP Site 772
 Zhujiang River
 Red River Fault
 Xisha Islands
SNBounded on N by China and Taiwan, on the E by the Philippine Islands, on the S by Malaysia and on the W by Vietnam. This term has multiple hierarchies.
South Dakota  search
BTUnited States
 .South Dakota
NTAurora County South Dakota
 Badlands National Park
 Beadle County South Dakota
 Bennett County South Dakota
 Bon Homme County South Dakota
 Brookings County South Dakota
 Brown County South Dakota
 Brule County South Dakota
 Buffalo County South Dakota
 Butte County South Dakota
 Campbell County South Dakota
 Charles Mix County South Dakota
 Clark County South Dakota
 Clay County South Dakota
 Codington County South Dakota
 Corson County South Dakota
 Custer County South Dakota
 Davison County South Dakota
 Day County South Dakota
 Deuel County South Dakota
 Dewey County South Dakota
 Douglas County South Dakota
 Edmunds County South Dakota
 Fall River County South Dakota
 Faulk County South Dakota
 Grant County South Dakota
 Gregory County South Dakota
 Haakon County South Dakota
 Hamlin County South Dakota
 Hand County South Dakota
 Hanson County South Dakota
 Harding County South Dakota
 Harney Peak Granite
 Hughes County South Dakota
 Hutchinson County South Dakota
 Hyde County South Dakota
 Jackson County South Dakota
 Jerauld County South Dakota
 Jones County South Dakota
 Kingsbury County South Dakota
 Lake County South Dakota
 Lawrence County South Dakota
 Lincoln County South Dakota
 Lyman County South Dakota
 Marshall County South Dakota
 McCook County South Dakota
 McPherson County South Dakota
 Meade County South Dakota
 Mellette County South Dakota
 Miner County South Dakota
 Minnehaha County South Dakota
 Moody County South Dakota
 Pennington County South Dakota
 Perkins County South Dakota
 Potter County South Dakota
 Roberts County South Dakota
 Sanborn County South Dakota
 Shannon County South Dakota
 Spink County South Dakota
 Stanley County South Dakota
 Sully County South Dakota
 Todd County South Dakota
 Tripp County South Dakota
 Turner County South Dakota
 Union County South Dakota
 Walworth County South Dakota
 Yankton County South Dakota
 Ziebach County South Dakota
RTArikaree Group
 Ash H
South Florida Basin  search
BTUnited States
 .Florida
 ..South Florida Basin
RTGulf Coastal Plain
SNAdded to Thesaurus in 1989.
South Georgia  search
BTAtlantic Ocean Islands
 .South Georgia
BTScotia Sea Islands
 .South Georgia
UFSouth Georgia Island
RTAntarctica
 Atlantic Ocean
 Falkland Islands
SNIsland 800 miles E of the Falkland Islands of which it is a dependency. This term has multiple hierarchies.
South Georgia Island  search
USESouth Georgia
South Greenland  search
BTArctic region
 .Greenland
 ..South Greenland
RTEast Greenland
 West Greenland
SNBefore 1978, search Greenland AND south or southern.
South Island  search
RTAlpine Fault
 Canterbury New Zealand
 Christchurch New Zealand
 Dunedin New Zealand
 Fiordland National Park
 Foveaux Strait
 Fox Glacier
 Haast River
 Inangahua New Zealand
 Kaikoura
 Kakanui
 Mackenzie River
 Mackenzie River valley
 Marlborough New Zealand
 Nelson Ne
SNLargest island of New Zealand. S and SW of North Island. Also occurs in other location. Search in combination with New Zealand. Also index county or country as applicable.
South Kona  search
USEKona
South Korea  search
BTAsia
 .Far East
 ..Korea
 ...South Korea
NTCheju Island
 Janggun Mine
 Kangwon South Korea
 Kyongsang Basin
 Ogcheon Belt
 Pohang South Korea
 Ulsan South Korea
 Yongyang South Korea
RTNorth Korea
SNOfficially Republic of Korea. Bounded on N by North Korea, on E by Japan Sea, on S by the Korea Strait, and on W by the Yellow Sea.
South Massif  search
USECausses
South Mountain  search
RTAppalachians
 Blue Ridge Mountains
 Maryland
 Nova Scotia
 Pennsylvania
SNRidge in W Maryland and S Pennsylvania. Also occurs in Nova Scotia and in other locations. Indexed with counties or states and mountain ranges as applicable.
South Mountain Batholith  search
RTCarboniferous
 Devonian
 Nova Scotia
SNSW Nova Scotia. Indexed with Nova Scotia if applicable. Added to Thesaurus in 1985.
South Nahanni River  search
BTCanada
 .Western Canada
 ..Mackenzie District Northwest Territories
 ...South Nahanni River
SNSW Mackenzie District. This term has multiple hierarchies.
South Orkney Islands  search
BTAntarctica
 .South Orkney Islands
BTScotia Sea Islands
 .South Orkney Islands
NTSigny Island
UFSouth Orkneys
RTFalkland Islands
 Orkney Islands
SNBritish islands 850 miles NE of Antarctic Peninsula. This term has multiple hierarchies.
South Orkneys  search
USESouth Orkney Islands
South Pacific  search
BTPacific Ocean
 .South Pacific
NTChatham Rise
 Fiji Plateau
 Kermadec Trench
 Southeast Pacific
 Southwest Pacific
RTNorth Pacific
 Antarctic Bottom Water
 Northeast Pacific
 West Pacific
 Northwest Pacific
 East Pacific
 Equatorial Pacific
 Leg 21
 DSDP Site 277
 Leg 7
 Pacific Basin
 Pacific-Antarctic Ridge
SNBefore 1978, search Pacific Ocean AND south.
South Pass  search
RTMississippi Delta
 Plaquemines Parish Louisiana
 Wind River Range
 Wyoming
SNOne of the channels at the mouth of the Mississippi River. Also a gap in the Wind River Range of central Wyoming. Indexed with county or region as applicable.
South Platte River  search
BTUnited States
 .South Platte River
RTColorado
 Nebraska
 Platte River
SNRiver in central to NE Colorado and SW Nebraska. Indexed with states as applicable. Added to Thesaurus in 1989.
South Platte River valley  search
BTUnited States
 .South Platte River valley
RTColorado
 Nebraska
SNAlso search South Platte; South Platte River. Indexed with states as applicable.
South Pole  search
BTAntarctica
 .South Pole
RTAntarctic Polar Cap
 polar caps
 polar regions
SNThe S extremity of the Earth's axis at 90#DG S latitude, and the point from which all directions are N.
South Polish Glaciation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Quarternary
 ....Pleistocene
 .....Upper Pleistocene
 ......Cromerian
 .......South Polish Glaciation
RTPoland
SNRefers to glaciation in S Poland which was roughly the southern limit of Pleistocene glaciers in central Europe.
South Polynesian Pacific  search
SNNo longer a valid term for GeoRef. Used from 1981-1994 for a region in the southeastern Pacific bounded on the east and south by the East Pacific Rise and the Pacific-Antarctic Ridge, and on the west by a line extending from the southern end of Macquarie
South Ray Crater  search
BTMoon
 .South Ray Crater
South Sandwich Islands  search
BTScotia Sea Islands
 .South Sandwich Islands
RTAntarctica
 Antarctic Ocean
 Atlantic Ocean Islands
 Falkland Islands
SNGroup of small volcanic islands at E end of Scotia Sea about 1350 miles E of Cape Horn. Part of Falkland Island Dependencies. Indexed with Atlantic Ocean Islands and/or Antarctica as applicable.
South Saskatchewan River  search
BTCanada
 .Western Canada
 ..South Saskatchewan River
RTAlberta
 Saskatchewan
 North Saskatchewan River
 Saskatchewan River
SNRises in the Rocky Mountains of W Alberta. Indexed with provinces as applicable.
South Sea Islands  search
SNNot a valid GeoRef index term after 1968. See Oceania; West Pacific Ocean Islands; East Pacific Ocean Islands.
South Shetland Islands  search
BTAntarctica
 .South Shetland Islands
BTScotia Sea Islands
 .South Shetland Islands
NTDeception Island
 King George Island
 Livingston Island
UFSouth Shetlands
RTFalse Bay
 Shetland Islands
 Melville Peninsula
SNN of the Antarctic Peninsula and S of Drake Passage. Part of British Antarctic Territory. This term has multiple hierarchies.
South Shetlands  search
USESouth Shetland Islands
South Victoria Land  search
USEVictoria Land
South Vietnam  search
USEVietnam
South Wales  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Wales
 .....South Wales
RTGlamorgan Wales
 Dyfed Wales
SNRegion in S part of Wales. Indexed with counties as applicable. Added to Thesaurus in 1981.
South Wales coal field  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Wales
 .....South Wales coal field
UFSouth Wales Coalfield
RTcoal fields
SNConcentrated industrial area N of Bristol Channel. Also search South Wales.
South Wales Coalfield  search
USESouth Wales coal field
South-Central China  search
SNNo longer a valid term for GeoRef. See provinces: Hubei China, Hunan China, Guangxi China, and Guangdong China. Henan China and Hainan China were considered part of this region for 1992.
South-West Africa  search
USENamibia
South-West England  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....England
 .....South-West England
RTCornubian Batholith
SNAdded to Thesaurus in 1981.
Southampton County Virginia  search
BTUnited States
 .Virginia
 ..Southampton County Virginia
Southeast Asia  search
BTAsia
 .Southeast Asia
RTGreat Sumatran Fault
SNBefore 1981, also search Asia AND southeast. Added to Thesaurus in 1981.
Southeast Atlantic  search
BTAtlantic Ocean
 .South Atlantic
 ..Southeast Atlantic
RTNorth Atlantic
 East Atlantic
 Northeast Atlantic
 Northwest Atlantic
 Southwest Atlantic
 West Atlantic
SNBefore 1978, search Atlantic Ocean AND southeast. From 1986-1994, Southeast Atlantic had several narrower terms. See South Atlantic.
Southeast Indian Ridge  search
BTIndian Ocean
 .Mid-Indian Ridge
 ..Southeast Indian Ridge
NTAustralian-Antarctic discordance
UFIndian-Antarctic Ridge
 Indo-Antarctic Ridge
RTAntarctic Ocean
 Leg 28
 mid-ocean ridges
 Rodriguez triple junction
 DSDP Site 265
SNAdded to Thesaurus in 1981.
Southeast Pacific  search
BTPacific Ocean
 .South Pacific
 ..Southeast Pacific
BTPacific Ocean
 .East Pacific
 ..Southeast Pacific
NTBauer Deep
 Chile Ridge
 Lau Basin
 Louisville Ridge
 Manihiki Plateau
 Nazca Ridge
 Tonga Trench
RTDrake Passage
 DSDP Site 157
 DSDP Site 318
 DSDP Site 319
 DSDP Site 320
 DSDP Site 321
 DSDP Site 595
 DSDP Site 596
 DSDP Site 597
 DSDP Site 598
 DSDP Site 599
 DSDP Site 600
 DSDP Site 601
 DSDP Site 73
 DSDP Site 74
 DSDP Site 75
 DSDP Site 76
 DSDP Site 80
 DSDP Sit
SNBefore 1978, search Pacific Ocean AND southeast. Before 1995, South American Pacific and parts of South Polynesian Pacific and Polynesian Pacific were also sometimes used. This term has multiple hierarchies.
Southeastern Alaska  search
BTUnited States
 .Alaska
 ..Southeastern Alaska
NTAlaska Panhandle
 Alexander Archipelago
 Glacier Bay National Park
 Juneau Alaska
 Juneau ice field
 Sitka Sound
 Variegated Glacier
RTAlexander Terrane
 Fairweather Fault
 Glacier Bay
 Tracy Arm
 Yakutat Terrane
SNArtificial region based on U.S. Geological Survey quadrangle designations. Includes Alexander Archipelago. Also search quadrangles if applicable. Indexed with quadrangles as applicable. Added to Thesaurus in 1993.
Southeastern Nigeria  search
SNNo longer a valid term for GeoRef. Valid 1981-1992.
Southeastern Polish Hills  search
BTEurope
 .Central Europe
 ..Poland
 ...Southeastern Polish Hills
SNAdded to Thesaurus in 1981.
Southeastern Transdanubia  search
BTngary
 .Transdanubia
 ..Southeastern Transdanubia
SNAdded to Thesaurus in 1981.
Southeastern U.S.  search
BTUnited States
 .Eastern U.S.
 ..Southeastern U.S.
SNAs of 1993, term is used only for broad general discussions. See United States or individual states to search those areas. Added to Thesaurus in 1985.
Southeastern Venezuela  search
BTSouth America
 .Venezuela
 ..Southeastern Venezuela
SNAdded to Thesaurus in 1981.
Southern Africa  search
BTAfrica
 .Southern Africa
NTBarberton greenstone belt
 Botswana
 Kaapvaal Craton
 Lesotho
 Namaqualand
 Namaqualand metamorphic complex
 Namibia
 Orange River
 South Africa
 Swaziland
 Zimbabwe
RTWest Africa
 North Africa
 Central Africa
 East Africa
 Damara Orogeny
SNBefore 1978, search Africa AND southern.
Southern Alaska  search
BTUnited States
 .Alaska
 ..Southern Alaska
NTAnchorage Alaska
 Bering Glacier
 Chugach Mountains
 Kenai Peninsula
 Knik Arm
 Martin River Glacier
 Matanuska Valley
 Mount Spurr
 Prince William Sound
 Redoubt
 Susitna River
 Susitna River basin
 Talkeetna Mountains
 Turnagain Arm
 Valdez Alaska
 Wrangell Mountains
 Yakutat Bay
RTBorder Ranges Fault
 Denali National Park
 Prince of Wales Island
 Cook Inlet
 Saint Elias Mountains
 Columbia Glacier
 Copper River basin
 Talkeetna Formation
 Delta River
 Trans-Alaska Pipeline
 Yukon-Koyukuk Basin
 Icy Bay
 Middleton Island
 Montague Island
 Yukon-T
SNArtificial region based on U.S. Geological Survey quadrangle designations. Also search quadrangles if applicable. Indexed with quadrangles as applicable. Added to Thesaurus in 1993.
Southern Alps  search
RTFox Glacier
 New Zealand
 South Island
SNRestricted to central South Island, New Zealand. Also index New Zealand and South Island.
Southern Andes  search
BTSouth America
 .Andes
 ..Southern Andes
RTPuna
 Central Andes
 Northern Andes
SNBefore 1978, also search Andes AND south or southern.
Southern Apennines  search
BTEurope
 .Southern Europe
 ..Italy
 ...Apennines
 ....Southern Apennines
RTSila Massif
 Vulture Mountain
SNBefore 1981, also search Apennines AND South. Northern extent is Sella di Vinchiaturo Pass. Added to Thesaurus in 1981.
Southern Appalachians  search
BTNorth America
 .Appalachians
 ..Southern Appalachians
RTBrevard Zone
 Rome Trough
 Charlotte Belt
 Carolina Terrane
 Kings Mountain Belt
 Central Appalachians
 Northern Appalachians
 Emerson Fault
 Tuscumbia Limestone
SNBefore 1978, also search Appalachians AND south or southern.
Southern Atlantic Coastal Plain  search
BTUnited States
 .Atlantic Coastal Plain
 ..Southern Atlantic Coastal Plain
SNBefore 1981, also search Atlantic Coastal Plain AND South. Added to Thesaurus in 1981.
Southern California  search
BTUnited States
 .California
 ..Southern California
RTTERRAscope
 Big Bear earthquake 1992
 Landers earthquake 1992
SNBefore 1978, search California AND south.
Southern California Batholith  search
BTUnited States
 .California
 ..Southern California Batholith
Southern Carpathians  search
USETransylvanian Alps
Southern coal field  search
BTAustralasia
 .Australia
 ..New South Wales Australia
 ...Southern coal field
UFSouthern Coalfield
RTcoal fields
 Sydney Basin
SNSydney Basin, E New South Wales. Added to Thesaurus in 1989.
Southern Coalfield  search
USESouthern coal field
Southern Cook Islands  search
USECook Islands
Southern Europe  search
BTEurope
 .Southern Europe
NTAlbania
 Balkan Mountains
 Banat
 Bosnia-Herzegovina
 Bulgaria
 Croatia
 Dalmatia
 Danube Plain
 Dinaric Alps
 Dobruja Basin
 Greece
 Iberian Peninsula
 Ionian Zone
 Istria
 Italy
 Krajiste
 Macedonia
 Malta
 Moesia
 Moesian Platform
 Neretva Valley
 Osogovo Mountains
 Rhodope Mountains
 Romania
 San Marino
 Serbo-Macedonian Massif
 Slovenia
 Struma River valley
 Vardar Zone
 Yugoslavia
SNAdded to Thesaurus in 1981.
Southern Finland Province  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Finland
 ....Southern Finland Province
NTHelsinki Finland
 Nummi-Pusula Finland
SNBefore 1998, also search Kymi Finland, Uusimaa Finland or Hame Finland, the former provinces. Added to Thesaurus in 1998.
Southern Great Plains  search
BTNorth America
 .Great Plains
 ..Southern Great Plains
UFSouthern High Plains
RTLlano Estacado
 Northern Great Plains
SNBefore 1978, search Great Plains AND south or southern.
Southern Hemisphere  search
RTEastern Hemisphere
 Gondwana
 Northern Hemisphere
 Western Hemisphere
SNUsed when discussing many large areas too numerous to mention.
Southern High Plains  search
USESouthern Great Plains
Southern Highlands  search
RTMoon
 New South Wales Australia
 Southern Highlands Papua New Guinea
 Southern Uplands
SNHighland region in New South Wales, Australia. and the cratered highland part of the Moon's southern hemisphere. Before 1993, also used as a province in Papua New Guinea. Search in combination with Australia or Moon as applicable. Indexed with regions as
Southern Highlands Papua New Guinea  search
BTAustralasia
 .Papua New Guinea
 ..Southern Highlands Papua New Guinea
RTSouthern Highlands
SNProvince.
southern Italy earthquake 1980  search
USEIrpinia earthquake 1980
Southern Norway  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Norway
 ....Southern Norway
SNN boundary is Trondheim. Added to Thesaurus in 1981.
Southern Ocean  search
SNNot a valid term for GeoRef. Index Antarctic Ocean where waters include parts of the Atlantic Ocean, Pacific Ocean and Indian Ocean south of approximately 55#DG S.
Southern Oklahoma Aulacogen  search
BTUnited States
 .Southern Oklahoma Aulacogen
RTOklahoma
 Texas
 Midcontinent
SNS Midcontinent, N Texas and S Oklahoma. Added to Thesaurus in 1995.
Southern Oscillation  search
RTatmosphere
 circulation
 El Nino
 Indian Ocean
 Pacific Ocean
 paleo-oceanography
SNFluctuation of the intertropical atmospheric circulation, particularly in the Indian Ocean and Pacific Ocean. It is strongly linked to El Nino which flows along the west coast of South America. Also search ENSO. Added to Thesaurus in 1995.
Southern Peninsula, Michigan  search
USEMichigan Lower Peninsula
Southern Province  search
BTNorth America
 .Canadian Shield
 ..Southern Province
RTOntario
 Wisconsin
 Minnesota
 Michigan
 Lake Superior region
SNStructural province of the Canadian Shield. Primarily in the Lake Superior region. Indexed with Ontario and/or states as applicable.
Southern Ranges, Buenos Aires  search
USESierras Australes
Southern Rhodesia  search
USEZimbabwe
Southern Rocky Mountains  search
BTNorth America
 .Rocky Mountains
 ..Southern Rocky Mountains
RTUnited States
 U. S. Rocky Mountains
 Northern Rocky Mountains
 Central Rocky Mountains
SNBefore 1978, also search Rocky Mountains AND (south OR southern).
Southern Swiss Alps  search
BTEurope
 .Central Europe
 ..Switzerland
 ...Swiss Alps
 ....Southern Swiss Alps
SNThis term has multiple hierarchies. Added to Thesaurus in 1981.
Southern Transdanubia  search
BTngary
 .Transdanubia
 ..Southern Transdanubia
SNAdded to Thesaurus in 1981.
Southern U.S.  search
BTUnited States
 .Southern U.S.
RTMississippi Valley
SNAs of 1993, term is used only for broad general discussions. For complete search, also search states. Added to Thesaurus in 1981.
Southern Uplands  search
RTEngland
 Florida
 Nova Scotia
 Scotland
 Southern Highlands
SNBetween the Scottish Lowlands to the N and the Cheviot Hills on the English border to the S. Also used in Florida and in Nova Scotia. Indexed with counties or regions as applicable.
Southern Urals  search
BTCommonwealth of Independent States
 .Urals
 ..Southern Urals
NTUral-Tau
RTRussian Federation
 Kazakhstan
 Mugodzhar Hills
 Bakal Russian Federation
 Sakmara Zone
 Taratash Complex
 Zhetybay Kazakhstan
SNSection of the Urals N of the Mugodzhar Hills.
Southern Yemen  search
USEYemen
SNFormer Peoples Democratic Republic of Yemen. United with Yemen Arab Republic in 1990.
Southland New Zealand  search
BTAustralasia
 .New Zealand
 ..Southland New Zealand
NTFiordland National Park
RTSouth Island
SNA land district in SW South Island. Also index South Island.
Southwest Atlantic  search
BTAtlantic Ocean
 .South Atlantic
 ..Southwest Atlantic
RTNorth Atlantic
 East Atlantic
 Northeast Atlantic
 Northwest Atlantic
 Southeast Atlantic
 West Atlantic
SNBefore 1978, search Atlantic Ocean AND southwest.
Southwest Florida Water Management District  search
BTUnited States
 .Florida
 ..Southwest Florida Water Management District
RTGulf Coastal Plain
 Floridan Aquifer
SNAdded to Thesaurus in 1985.
Southwest Indian Ridge  search
BTIndian Ocean
 .Southwest Indian Ridge
RTmid-ocean ridges
 Atlantis II fracture zone
 Leg 118
 Leg 176
 ODP Site 732
 ODP Site 733
 ODP Site 734
 ODP Site 735
 Rodriguez triple junction
SNAdded to Thesaurus in 1981.
Southwest Pacific  search
BTPacific Ocean
 .South Pacific
 ..Southwest Pacific
BTPacific Ocean
 .West Pacific
 ..Southwest Pacific
NTArafura Sea
 Banda Sea
 Bismarck Sea
 Coral Sea
 Java Sea
 Lord Howe Rise
 Norfolk Ridge
 North Fiji Basin
 Tasman Basin
 Tasman Sea
 Torres Strait
RTBonaparte Gulf basin
 Broken Bay
 DSDP Site 204
 DSDP Site 205
 DSDP Site 206
 DSDP Site 209
 DSDP Site 262
 DSDP Site 275
 DSDP Site 276
 DSDP Site 277
 DSDP Site 278
 DSDP Site 279
 DSDP Site 280
 DSDP Site 281
 DSDP Site 285
 DSDP Site 286
 DSDP Site 288
 DSDP Site 64
SNBefore 1978, search Pacific Ocean AND southwest. Before 1995, parts of South Polynesian Pacific and Polynesian Pacific were sometimes used. This term has multiple hierarchies.
Southwestern Alaska  search
BTUnited States
 .Alaska
 ..Southwestern Alaska
NTAlaska Peninsula
 Aleutian Islands
 Katmai
 Katmai National Park
 Kodiak Island
 Novarupta
 Nunivak Island
 Shelikof Strait
 Valley of Ten Thousand Smokes
RTPavlof
 Cook Inlet
 Augustine
 Yukon-Koyukuk Basin
SNArtificial region based on U.S. Geological Survey quadrangle designations. Includes Aleutian Islands and Kodiak Island. Also search quadrangles if applicable. Also index quadrangles if applicable. Added to Thesaurus in 1993.
Southwestern China  search
SNNo longer a valid term for GeoRef. Used as a regional term from 1985-1992. Now see Guizhou China, Sichuan China, Yunnan China and Xizang China.
Southwestern German Hills  search
BTEurope
 .Central Europe
 ..Germany
 ...Southwestern German Hills
RTHolzmaden region
SNAdded to Thesaurus in 1981.
Southwestern German Massifs  search
BTEurope
 .Central Europe
 ..Germany
 ...Southwestern German Massifs
RTHesse Germany
SNChiefly in S Hesse. Indexed with German states as applicable. Added to Thesaurus in 1993.
Southwestern U.S.  search
BTUnited States
 .Southwestern U.S.
SNAs of 1993, term is used only for broad general discussions. Before 1978, also search United States AND (southwest OR southwestern). For complete search, also search states.
Southwestern USSR  search
SNNo longer a valid term for GeoRef. As of 1993, see Commonwealth of Independent States. Before 1978, search USSR AND (southwest OR southwestern).