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.