Services Provided by the Survey

For more information on any of these services, contact our office at 717–702–2017, or see our Contacts by Topic web page that lists staff contacts for specific geologic topics. Also, see frequently asked questions regarding such topics as office hours, maps, and other services.

Aerial photography [analog and digital]

Agricultural and Stabilization Conservation Series (1946-1981)
USGS aerial photographs (mostly late 1960s and 1970s)
National High Altitude Photography
National Aerial Photography (Phase 1, 1987; Phase 2, 1992; Phase 3, 1999)
Digital orthophotography (DOQQs)

Geologic Guidance

Guidelines for water well abandonment
Identification of natural geologic hazards (landslides, sinkholes, naturally occurring chemicals)
Local area non-fuel mineral resource potential

Geologic Maps (Statewide and regional)

Geologic hazards [sinkhole and solution prone areas, landslides]
Quadrangle surficial materials maps
Quadrangle bedrock framework maps
Quadrangle coal resource maps
Digital state bedrock geology data set
Digital landform data set
Earthquake epicenter locations

Geologic Resources

Groundwater
Areal geology maps with estimates of groundwater quantity and quality
Groundwater well location databases [over 200,000 records] in PaGWIS
Energy and Mineral resources
Aggregates and industrial minerals
1997 digital database of all non-fuel mineral producers
Oil and gas well locations [over 100,000 records] in WIS and PA*IRIS databases

Library

All geologic reports on Pennsylvania [~10,000 volumes]
Aerial photography
Topographic maps

Preparation of specialized maps (GIS) based on existing digital databases [i. e. watershed boundaries]

Topographic map revision and digital data creation in partnership with the USGS

Quadrangle maps [scales 1:24,000 and 1:100,000]
Digital raster graphic (DRGs), line graphs (DLGs), elevation models (DEMs)