Geology of Lehigh and Northampton Counties, Pennsylvania: Historical Works

Maps >> Topographic Map of Lehigh County

SID Version

Mr.SID map (9.5 MB)

Requires the free Mr.SID® plug-in.

Flash Version

Flash-based map (6.5 MB)

Includes zoom and click-and-drag features.

Requires latest version of the free Flash™ player.

DCNR Quadrangle Maps

Click on a portion of the map below for information from DCNR about corresponding geologic quadrangle maps, including digitized map coverage when provided.

Division of map based on Map 61 D and Map 61 E from DCNR (Pennsylvania Department of Conservation and Natural Resources).

For further information about map coverage of Lehigh and Northampton Counties, contact Pennsylvania Geological Survey or USGS