2001. Stephen P. Teale Data Center (Calif.). and California. Air Resources Board. Planning and Technical Support Division. This point shapefile represents all air monitoring stations active in California from 2001 until 2003. The data within the shapefile was obtained f... California. Air Resources Board.
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2001. U.S. Geological Survey. This data set includes construction minerals operations in the United States. The data represent commodities covered by the Minerals Information Te...
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.
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.
2001. Geological Survey (U.S.). Cultural landmark points for the Chinandega region, Nicaragua. This layer was vectorized from original hard copy 1:50,000 topographic maps produced... US Geological Survey, Hurricane Mitch Program.
2001. Geological Survey (U.S.). Cultural landmark points for the Ciudad Dario region, Nicaragua. This layer was vectorized from original hard copy 1:50,000 topographic maps produc... US Geological Survey, Hurricane Mitch Program.
2001. Geological Survey (U.S.). Cultural landmark points for the Esteli region, Nicaragua. This layer was vectorized from original hard copy 1:50,000 topographic maps produced by ... US Geological Survey, Hurricane Mitch Program.
2001. Geological Survey (U.S.). Cultural landmark points for the Granada region, Nicaragua. This layer was vectorized from original hard copy 1:50,000 topographic maps produced by... US Geological Survey, Hurricane Mitch Program.
2001. Geological Survey (U.S.). Cultural landmark points for the Jinotega region, Nicaragua. This layer was vectorized from original hard copy 1:50,000 topographic maps produced b... US Geological Survey, Hurricane Mitch Program.
2001. Geological Survey (U.S.). Cultural landmark points for the La Palma region, El Salvador. This layer was vectorized from original hardcopy 1:50,000 topographic maps produced ... US Geological Survey, Hurricane Mitch Program.