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Penn State
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Maryland, United States
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1. 1:100,000 Digital Raster Graphics for Maryland
2000. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
2. 1:24,000 - 7.5 minute Digital Raster Graphics for Maryland
2000. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
3. 1:250,000 Digital Raster Graphics for Maryland
2000. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
4. 30-Year Precipitation dataset (1971-2000) for the Susquehanna River Basin'
2006. SRBC. 30 Year Precipitation dataset (1971-2000) for the Susquehanna River Basin (2006 boundary). This dataset was created from a precipitation raster fro...
5. A map of the area in dispute between Pennsylvania and Maryland.
9999. Scale approximately 1:380,160; 1 map: photocopy; 17 x 19 cm, on sheet 22 x 31 cm Boundaries.
6. A New map of the province of Maryland in North America.
9999. Hinton, John, -1781. Scale approximately 1:1,170,000; 1 map; 27 x 32 cm Maryland--Maps--Early works to 1800.
7. Antietam
1862. Michler, N. (Nathaniel), 1827-1881, cartographer. Scale 1:21,120. 3 in. to 1 mile; 1 map; [58 x 66 cm] Antietam, Battle of, Md., 1862--Maps.
8. Aquatic Mollusk sampling points Plummers Island: Pennsylvania
2004. Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office. April 2004 freshwater snail sampling points around Plummer's Island, Montgomery County, Maryland.
9. Choptank River Heritage Access
2011. ChoptankRiverHeritage.org. Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.
10. Choptank River Heritage Environmental
2011. ChoptankRiverHeritage.org. Shows environmental education and preservation sites in or near the watershed of the Choptank River, on Maryland's Eastern Shore, that are of inter...
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