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51. Costly Landslide Events in the United States
2001. Godt, Jonathan W. This polygon shapefile shows point locations of costly individual landslide events in the 50 United States and Puerto Rico. Landslide locations wer... National Atlas of the United States.
52. Costly Regional Landslide Events in the United States
2001. Godt, Jonathan W. This polygon shapefile contains information on costly regional landslide events in the 50 United States and Puerto Rico. The extents of the regiona... National Atlas of the United States.
53. County Boundaries of the United States, 1980
1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
54. County Boundaries of the United States, 1990
1990. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
55. County Boundaries of the United States, 2000
2000. Geological Survey (U.S.). This polygon shapefile portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
56. Crushed Stone Operations in the United States, 2002
2001. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents locations of crushed stone operations in the United States. These data were obtained from information reported volu... National Atlas of the United States.
57. Current Distributions of Selected Amphibians in the United States, 1941-2000
1941. Lannoo, Michael J., Blackburn, Laura, and Nanjappa, Priya. This polygon shapefile portrays the distribution of 10 selected amphibians in the United States, based on historical literature and museum records ... National Atlas of the United States.
58. Davidson County, Tennessee roads, 2014
2014. U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch. Roads and highways in Davidson County, Tennessee, 2014. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geog...
59. Decatur County, Tennessee land parcels, 2014
2014. Boundary Solutions, Inc. Land parcels in Decatur County, Tennessee, 2014.
60. Decatur County, Tennessee roads, 2014
2014. U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch. Roads and highways in Decatur County, Tennessee, 2014. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geogr...