| Title | Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia |
| Publication Type | Report |
| Authors | Southworth S |
| Series Editor |
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| Title | Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia |
| Publication Type | Report |
| Authors | Southworth S |
| Series Editor |