Geologic map database of the Washington DC area featuring data from three 30 x 60 minute quadrangles; Frederick, Washington West, and Fredericksburg
| Image |  |
|---|---|
| Description | geologic map |
| Author/s |
author: J. Stephen Schindler James E. Reddy |
| Publication date | 2001 |
| Language | |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |