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#1 Federal
Database for the geologic map of the Frederick 30 x 60 quadrangle, Maryland, Virginia, and West Virginia
- Organization: Department of the Interior
- Dataset Last Updated: April 30, 2025 at 12:00 AM
The database for the geologic map of the Frederick 30 x 60 quadrangle covers the distinct geologic provinces and sections of the central Appalachian region that are defined by unique bedrock and...
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:48 PM

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