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1. Major Dams, USA, 2013
2013. United States. Geological Survey. This dataset is provided as part of the USGS National Hydrology Dataset and depicts the point locations for major dams in all fifty states and Puer... United States Geological Survey.
2. Major Lakes, Arizona, 1993
1993. Arizona. State Land Department. Depiction of major lakes in Arizona. Arizona State Land Department.
3. United States Fixed-Guideway Transit Points, 2013
2013. United States. Bureau of Transportation Statistics, United States. Federal Transit Administration., and United States. Department of Transportation. Research and Innovative Technology Administration. Version 2004 of the Fixed-Guideway Transit Network is a network database of the nation's fixed-guideway transit systems. The data set covers system... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).