1. Map of assessed shale gas in the United States, 2012 Author/Creator: National Oil and Gas Resource Assessment Team (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Map Access & Availability: Loading
2. Metropolitan and micropolitan statistical areas wall maps, December 2009 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: [Washington, D.C.] : U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, [2010] Format: Map Access & Availability: Loading
3. Metropolitan and micropolitan statistical areas wall maps, November 2007 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: [Washington, D.C.] : U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, [2008] Format: Map Access & Availability: Loading
4. Metropolitan and micropolitan statistical areas wall maps, November 2008 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: [Washington, D.C.] : U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, [2008] Format: Map Access & Availability: Loading