Plate 1 of OFR54 can also be viewed in a Web Mapping Application. Layers can be turned on and off and manipulated under the "Layers" icon in the upper right hand corner. Cross section is available by clicking on the cross section line. Rock unit descriptions available by clicking on the geologic map.
OFR54 Plate 1 (Bedrock Geologic Map of the Delaware Piedmont) Web Mapping Application