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Found 2 dataset(s) matching "Port Tobacco Quadrangle".

Digital Geologic-GIS Map of the Port Tobacco Quadrangle, Maryland (NPS, GRD, GRI, THST, POTO digital map) adapted from a Maryland Geological Survey Quadrangle Geologic Map by Glaser (1984)
- Organization: Department of the Interior
- Updated: 2021-09-09 | Harvested: June 25, 2025 at 08:36 PM
The Digital Geologic-GIS Map of the Port Tobacco Quadrangle, Maryland is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1...
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Digital Geologic-GIS Map of Thomas Stone National Historic Site and Vicinity, Maryland and Virginia (NPS, GRD, GRI, THST, THST digital map) adapted from a U.S. Geological Survey Geologic Investigations Series Map by Mixon et al. (2000), and a Maryland Geological Survey Quadrangle Geologic Map by Glaser (1984)
- Organization: Department of the Interior
- Updated: 2021-09-09 | Harvested: June 25, 2025 at 09:38 PM
The Digital Geologic-GIS Map of Thomas Stone National Historic Site and Vicinity, Maryland and Virginia is composed of GIS data layers and GIS tables, and is available in the following...
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- pdf
- zip
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