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1. 100-Meter Resolution Color-Sliced Elevation of the Conterminous United States
2012. Geological Survey (U.S.). This layer is a georeferenced raster image displaying color-sliced elevation data for the Conterminous United States at 100-meter resolution, using... National Atlas of the United States.
2. 100-Meter Resolution Elevation of the Conterminous United States
2012. Geological Survey (U.S.). This layer is a georeferenced raster image displaying elevation data for the conterminous United States. These data were derived from the National ... National Atlas of the United States.
3. 100-Meter Resolution Impervious Surface of the Conterminous United States, 2001
2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing impervious surface data for the conterminous United States. Data are in an Albers Equal-Area ... Geological Survey (U.S.).
4. 100-Meter Resolution Land Cover of the Conterminous United States, 2001
2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing land cover data for the conterminous United States, in an Albers Equal-Area Conic projection ... National Geospatial Program, The National Map Small Scale.
5. 100-Meter Resolution Land/Water Mask of the Conterminous United States, 2013
2013. Geological Survey (U.S.). This raster layer is a georeferenced image containing a 100-meter resolution land and water mask of the conterminous United States, with separate v... National Atlas of the United States.
6. 100-Meter Resolution Tree Canopy of the Conterminous United States, 2001
2007. Geological Survey (U.S.). This raster layer is a georeferenced image containing tree canopy data for the conterminous United States, in an Albers Equal-Area Conic projection... Geological Survey (U.S.).
7. 1:1,000,000-Scale Coastline of the United States, 2014
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
8. 1:1,000,000-Scale Combined Statistical Areas, 2013
2013. National Atlas of the United States. This polygon shapefile contains combined statistical areas in the United States and Puerto Rico. Combined statistical areas consist of two or more ... National Atlas of the United States.
9. 1:1,000,000-Scale Contours of the Conterminous United States
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.
10. 1:1,000,000-Scale Core Based Statistical Areas, 2013
2013. National Atlas of the United States. This polygon shapefile contains core based statistical areas in the United States and Puerto Rico. The map layer was created from the CENSUS 2010 T... National Atlas of the United States.
11. 1:1,000,000-Scale County Boundaries of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).
12. 1:1,000,000-Scale County Boundary Lines of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. This layer was derived from t... Geological Survey (U.S.).
13. 1:1,000,000-Scale Ferries of the United States, 2014
2014. National Atlas of the United States. This map layer portrays the ferries on major roads in the United States and Puerto Rico. Ferries are ships that carry vehicles, passengers, and car... National Atlas of the United States.
14. 1:1,000,000-Scale Major Roads of the United States, 2012
2012. Geological Survey (U.S.). This map layer portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the indivi... Geological Survey (U.S.).
15. 1:1,000,000-Scale National Wilderness Preservation System of the United States, 2014
2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.
16. 1:1,000,000-Scale Railroads, United States, 2012
2012. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2012 at 1:1,000,000 scale. This layer is part of the 1997... National Atlas of the United States.
17. 1:1,000,000-Scale Railroads, United States, 2014
2014. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2014 at 1:1,000,000 scale. This is a revised version of t... National Atlas of the United States.
18. 1:1,000,000-Scale State Boundaries of the United States, 2012
2012. National Atlas of the United States. This polygon shapefile portrays the state boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by e... National Atlas of the United States.
19. 1:1,000,000-Scale State Boundaries of the United States, 2014
2014. National Atlas of the United States. This polygon shapefile portrays the state boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by e... National Atlas of the United States.
20. 1:1,000,000-Scale Streams of the United States, 2014
2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).
21. 1:1,000,000-Scale Waterbodies and Wetlands of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile represents waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produc... Geological Survey (U.S.).
22. 1-Kilometer Resolution, North American Land Cover Characteristics, 1992-1993
1992. Geological Survey (U.S.). This raster layer is a georeferenced grid map image of land cover characteristics for North America, excluding Hawaii, and including the Caribbean ... Geological Survey (U.S.).
23. 200-Meter Resolution Land Cover, Conterminous United States, 1992
1992. Geological Survey (U.S.). This raster layer is a georeferenced image of 1992 land cover for the conterminous United States, at a resolution of 200 meters. The map layer was ... Geological Survey (U.S.).
24. A general plan for the Maryland - Washington Regional District as the District existed immediately prior to June 1, 1957 /
Maryland-National Capital Park and Planning Commission. Maryland-National Capital Park & Planning Commission,.
25. A map of the most inhabited part of Virginia : containing the whole province of Maryland with part of Pensilvania, New Jersey and North Carolina
Fry, Joshua, 1700 (ca.)-1754. Relief shown pictorially. Prime meridians: Philadelphia and London. Dedication: To the Right Honourable, George Dunk Earl of Halifax ... Includes d... London : Printed for Robt. Sayer & Thos. Jefferys, [1775].
26. A map of the most inhabited part of Virginia : containing the whole province of Maryland with part of Pensilvania, New Jersey and North Carolina (sheet 1)
Fry, Joshua, 1700 (ca.)-1754. Relief shown pictorially. Prime meridians: Philadelphia and London. Dedication: To the Right Honourable, George Dunk Earl of Halifax ... Includes d... London : Printed for Robt. Sayer & Thos. Jefferys, [1775].
27. A map of the most inhabited part of Virginia : containing the whole province of Maryland with part of Pensilvania, New Jersey and North Carolina (sheet 2)
Fry, Joshua, 1700 (ca.)-1754. Relief shown pictorially. Prime meridians: Philadelphia and London. Dedication: To the Right Honourable, George Dunk Earl of Halifax ... Includes d... London : Printed for Robt. Sayer & Thos. Jefferys, [1775].
28. A map of Virginia and Maryland
Speed, John, 1552?-1629. Relief shown pictorially. From: Speed, John. A prospect of the most famous parts of the world. London. 1676. Engraved by: F. Lamb. Derived from Aug... [London] : Sold by Thomas Basset in Fleetstreet and Richard Chiswell in St. Pauls Church yard, [1676].
29. A master plan of parks and recreation areas in Montgomery and Prince George's counties : April 26, 1961 /
Maryland-National Capital Park and Planning Commission, cartographer, issuing body. Maryland-National Capital Park and Planning Commission,.
31. Agricultural Minerals Operations
2003. Geological Survey (U.S.). This point shapefile represents locations of agricultural minerals operations in the United States. The data represent commodities covered by the M... National Atlas of the United States.
32. Agriculture Census of the United States, 2002
2002. National Atlas of the United States. This polygon shapefile portrays a selected set of information that was collected for the 2002 Census of Agriculture by the National Agricultural St... National Atlas of the United States.
33. Agriculture Census of the United States, 2007
2007. National Atlas of the United States. This polygon shapefile portrays a selected set of information that was collected for the 2007 Census of Agriculture by the National Agricultural St... National Atlas of the United States.
34. Airports of the United States, 2012
2012. Geological Survey (U.S.). This point shapefile includes airports in the United States, Puerto Rico and the U.S. Virgin Islands. The data were derived from an extract of the ... Geological Survey (U.S.).
35. Areas and Facies Types of Metamorphism: Geology of the Conterminous United States, 2005
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. This layer is part of the Geologic Map of the ... Geological Survey (U.S.).
36. Bailey's Ecoregions and Subregions of the United States, 2004
2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.
37. Baltimore and vicinity /
Geographia Map Company, cartographer, issuing body. Geographia Map Co. Inc.,.
38. Baltimore County, Maryland land parcels, 2014
2014. Boundary Solutions, Inc. Land parcels in northern Baltimore County, Maryland, 2014.
39. Baltimore, Maryland land parcels, 2013
2013. Boundary Solutions, Inc. Land parcels in the independent city of Baltimore, Maryland, 2013.
40. Baltimore, Maryland roads, 2013
2013. Boundary Solutions, Inc. Roads and highways in the independent city of Baltimore, Maryland, 2013.
41. Baltimore, Maryland roads, 2014
2014. Boundary Solutions, Inc. Roads and highways in the independent city of Baltimore, Maryland, 2014.
42. Bathymetric Shaded Relief of North America
2001. National Atlas of the United States. The Bathymetric Shaded Relief of North America map layer shows depth ranges using colors, with relief enhanced by shading. The image was derived fr... National Atlas of the United States.
43. Bathymetry of North America
2001. National Atlas of the United States. The Bathymetry of North America map layer shows depth ranges using colors. The image was derived from the National Geophysical Data Center's ETOPO2... National Atlas of the United States.
44. BOEM Wind Planning Areas, Atlantic Region, 2013
2013. United States. Bureau of Ocean Energy Management. Office of Renewable Energy Programs. This polygon shapefile represents the most recent changes for the Bureau of Ocean Energy Management (BOEM) Wind Development Planning Areas in the A... United States. Bureau of Ocean Energy Management.
45. Breeding Bird Survey Route Locations for Lower 48 States, 1966-1998
1966. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.
46. Calvert County, Maryland land parcels, 2007
2007. Boundary Solutions, Inc. Land parcels in Calvert County, Maryland, 2007.
47. Calvert County, Maryland land parcels, 2011
2011. Boundary Solutions, Inc. Land parcels in Calvert County, Maryland, 2011.
48. Calvert County, Maryland roads, 2007
2007. Boundary Solutions, Inc. Roads and highways in Calvert County, Maryland, 2007.
49. Calvert County, Maryland roads, 2011
2011. Boundary Solutions, Inc. Roads and highways in Calvert County, Maryland, 2011.
50. Caroline County, Maryland land parcels, 2014
2014. Boundary Solutions, Inc. Land parcels in Caroline County, Maryland, 2014.