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Start Over Place Virginia Bounding Box -40.000931 39.999015 -39.999064 40.000987

92. Volcanoes: United States, 2004

Datasets Stanford University Public content
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.

93. Washington and vicinity, Maryland, District of Columbia, Virginia

Maps University Of Minnesota Public content
1917. Geological Survey (U.S.). Relief shown by contours and spot heights.; Includes notes. 117 x 106 centimeters Scale 1:31,680 General Map Collection. Department of the Interior, U.S. Geological Survey (Washington).

94. Washington and vicinity, Maryland-District of Columbia-Virginia

Maps University Of Minnesota Public content
1898. Geological Survey (U.S.). Relief shown by contours. Contour interval 20 ft.; "Surveyed in 1885-86 and 95-97."; Text, "Description of the topographic map of the United States... U.S. Geological Survey (Washington?).