Northern Alaska  search
BTUnited States
 .Alaska
 ..Northern Alaska
NTArctic National Wildlife Refuge
 Barrow Alaska
 Brooks Range
 National Petroleum Reserve Alaska
 Prudhoe Bay
 Prudhoe Bay Field
 Umiat Field
RTArctic Coastal Plain
 North Slope
 Barrow Field
 Point Barrow
 Beaufort-Mackenzie Basin
 Colville River
 Colville River delta
 Trans-Alaska Pipeline
 Yukon-Koyukuk Basin
 Meade Basin
SNArtificial region based on U.S. Geological Survey quadrangle designations. Also search specific quadrangles if applicable. Indexed with quadrangles as applicable. Added to Thesaurus in 1993.