| Lat / long: | 38.85281, -76.98634 |
| Primary: | Stone, Dimension |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| MRDS | W000511 |
| DEP | 10067707 |
| Reference | {Deposit:: DARTON, N.H., AND KEITH, A., 1901, USGS GEOL. ATLAS OF US, FOLIO 70}{Deposit:: JOHNSTON, P.M., 1964, USGS WSP 1776, PL. 1.} |
| Reporter | Wright, Nancy A. |