Search Maps
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MapAllegany County, Maryland "Compiled by USGS from USGS 1:24,000-scale topographic maps dated 1959-1972." "Planimetry revised from aerial photographs taken 1974 and other source data." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapHarford County, Maryland Title in lower margin: Harford Co., Md. : N3916-W7601.5/28x33.5, 1978. "Compiled from USGS 1:24,000-scale topographic maps dated 1948-1957." "Planimetry revised from aerial photographs taken 1974 and other source data." "1-16170." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1978-01-01
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MapCharles County, Maryland "Compiled by USGS in 1975 from USGS 1:24,000-scale topographic maps dated 1943-1971." "Planimetry revised from aerial photographs taken 1973." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapBaltimore County, Maryland Title in lower margin: Baltimore Co., Md. : N3909--W7615/35X39.5, 1977. "Compiled in 1977 from USGS 1:24,000-scale topographic maps dated 1953-1974." "Planimetry revised from photographs taken 1976 and other source data." "1-16171." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1977-01-01
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MapMaryland and Delaware shaded relief. Scale 1:500,000; approx. 1 in. equals 8 miles. Alternate title: States of Maryland and Delaware. "Lambert conformal conic projection." "Standard parallels 33⁰ and 45⁰." Relief shown by shading. Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: Geological Survey (U.S.)
- Date: 1950-01-01
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MapUpper Chesapeake Bay, satellite image map : NASA LANDSAT-1, 1:250,000 N3849W07649, 016-033 Scale 1:250,000. Title in lower right corner: Upper Chesapeake Bay, N3849W07649, 016-033, 1972. "Imagery recorded ... Oct. 11, 1972 ..." "Projection and 10,000-meter grid: Universal transverse Mercator, zone 18, ..." False-color satellite image of northern Chesapeake Bay and Washington, D.C., regions. Includes notes, location map, and index to topographic and satellite image map coverage. Available also through the Library of Congress Web site as...
- Contributor: Geological Survey (U.S.) - United States. National Aeronautics and Space Administration
- Date: 1972-01-01
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MapStates of Maryland and Delaware : base map
Maryland and Delaware : base map Base map showing drainage, counties, settlements, railroads, etc. "1927 North American datum." Available also through the Library of Congress Web site as a raster image.- Contributor: Geological Survey (U.S.)
- Date: 1948-01-01
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MapCarroll County, Maryland "Compiled by USGS in 1976 from USGS 1:24,000-scale topographic maps dated 1966-1974." "Planimetry revised from aerial photographs taken 1973." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapHoward County, Maryland "Compiled by USGS from USGS 1:24,000-scale topographic maps dated 1944-1965." "Planimetry revised from aerial photographs taken 1975 and 1976 and other source data." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapGarrett County, Maryland "Compiled by USGS from 1:24,000-scale topographic maps dated 1946-1967." "Planimetry revised from aerial photographs taken 1974 and 1977 and other source data." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapNation's capital area. [Washington D.C. and Chesapeake Bay regions] Scale 1:250,000. Photo mosaic. "National Aeronautics and Space Administration image." "NASA (ERTS-1)." Relief shown by spot heights. Depths shown by contours. "This 'false-color' composite imagery of the National Capital area was produced by the Department of the Interior, U.S. Geological Survey, from multispectral imagery taken by the NASA Earth Resources Technology Satellite (ERTS-1) on October 11, 1972 ..." Accompanied by text. 1 l. Available...
- Contributor: Geological Survey (U.S.) - United States. National Aeronautics and Space Administration
- Date: 1973-01-01
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MapMilitary posts and camps near Washington, D.C. Also covers Chesapeake Bay region. "From Sheet J-18, International Map compilation." Includes directory of "How to reach military posts and camps from Washington." LC copy torn, rubber-stamped, and mounted on cloth backing. Available also through the Library of Congress Web site as a raster image. DCP
- Contributor: Geological Survey (U.S.)
- Date: 1926-01-01
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MapHydrologic unit map--1974, States of Maryland and Delaware. Scale 1:500,000; 1 in. equals approx. 8 miles. Relief shown by spot heights. "Lambert conformal conic projection, standard parallels 33⁰ and 45⁰." Base map "Edition of 1950." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
- Date: 1974-01-01
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MapStates of Maryland and Delaware Relief shown by spot heights. Depths shown by contours. Alternate titles in right upper and lower margins: Maryland and Delaware. Also issued with relief shown by contours. UTM 50,000-meter grid. Includes notes. "38076-H4-SP-500." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.)
- Date: 1990-01-01
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MapChesapeake Bay and vicinity, winter 1976-77, satellite image map : NASA LANDSAT-1, 1:500,000 Scale 1:500,000. Title in lower right corner: Chesapeake Bay and vicinity, 1977. "Projection based on the perspective images with 20,000-meter universal transverse Mercator fitted grid ..." "Experimental printing." Includes text, location map, and indexes to topographic and satellite image map coverage. Accompanied by text: Upper Chesapeake Bay, satellite gridded image, 1:500,000 scale. ([1] leaf ; 28 x 22 cm.) Available also through the Library...
- Contributor: Geological Survey (U.S.) - United States. National Aeronautics and Space Administration
- Date: 1978-01-01
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MapFrederick County, Maryland "Compiled by USGS in 1976 USGS 1:24,000-scale topographic maps dated 1969-1971." "Planimetry revised from aerial photographs taken 1973." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapTransportation map of Delaware, Maryland, and Virginia. Scale ca. 1:1,457,280; 1 in. represents approx. 23 miles. Shows transportation zones, trackage rights, principal stations, distances between rail intersections, major U.S., Interstate, and State highways, and navigable waterways. Includes "Index to railroads." Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: Geological Survey (U.S.) - United States. Federal Railroad Administration. Office of Policy and Program Development
- Date: 1976-01-01
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MapStates of Maryland and Delaware : base map with highways and shaded relief Relief shown by shading and spot heights. Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.)
- Date: 1950
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MapUpper Chesapeake Bay. Scale 1:500,000. "Satellite gridded image." "NASA ERTS-1 satellite, orbit 1114, 11:19 a.m. e.d.t., Oct 11, 1972." Includes text, "Index to 1:250,000-scale topographic maps," "Satellite image index," and "Location diagram." Accompanied by text. 1 l. Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: Geological Survey (U.S.)
- Date: 1973-01-01
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MapStates of Maryland and Delaware Relief shown by contours and spot heights. Depths shown by contours. Alternate titles in right upper and lower margins: Maryland and Delaware. UTM 50,000-meter grid. Includes notes. "38076-H4-ST-500." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.)
- Date: 1990-01-01
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MapMontgomery County, Maryland "Compiled by USGS in 1976 from USGS 1:24,000-scale topographic maps dated 1968-1972." "Planimetry revised from aerial photographs taken 1976 and other source data." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapNation's capital area. [Washington D.C. and Cheaspeake Bay regions] Scale 1:250,000. Photo mosaic. Does not show relief. "National Aeronautics and Space Administration image." "NASA (ERTS-1)." "This 'false-color' composite imagery of the National Capital area was produced by the Department of the Interior, U.S. Geological Survey, from multispectral imagery taken by the NASA Earth Resources Technology Satellite (ERTS-1) on October 11, 1972 ..." Available also through the Library of Congress Web site as a...
- Contributor: Geological Survey (U.S.) - United States. National Aeronautics and Space Administration
- Date: 1973-01-01
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MapDorchester County, Maryland "Compiled by USGS from USGS 1:24,000-scale topographic maps dated 1942-1973." "Planimetry revised from aerial photographs taken 1973-1975 and other source data." Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.) - United States. Soil Conservation Service
- Date: 1979-01-01
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MapUpper Chesapeake Bay, satellite image map : NASA LANDSAT imagery 1:500,000, N3849W07649 Scale 1:500,000. Title in lower right corner: Upper Chesapeake Bay, N3849W07649, 1972. "Imagery recorded ... Oct. 11, 1972 ..." "Projection and 20,000 metre grid: Universal transverse Mercator ..." Covers Chesapeake Bay and Washington D.C. regions. Includes text, location map, and index to topographic and satellite image map coverage. Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: Geological Survey (U.S.) - United States. National Aeronautics and Space Administration
- Date: 1976-01-01
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MapMaryland and Delaware, base map with highways and contours Relief shown by contours and spot heights. At foot of "Population key": 1973. Alternate title in center upper margin: States of Maryland and Delaware. Alternate title in right upper margin: Maryland and Delaware. Includes notes. Available also through the Library of Congress Web site as a raster image.
- Contributor: Geological Survey (U.S.)
- Date: 1973-01-01