1. Global GIS database. North Eurasia Publication/Creation: [Flagstaff. AZ] : USGS, [2003?] Resource Type: Map Edition: Data only version. Access & Availability: Loading
2. Global GIS database. Europe Publication/Creation: [Flagstaff. AZ] : USGS, [2002?] Resource Type: Map Edition: Data only version. Access & Availability: Loading
3. Global GIS database. North America Publication/Creation: [Flagstaff. AZ] : USGS, [2003?] Resource Type: Map Edition: Data only version. Access & Availability: Loading
4. Hydrology and trophic ecology of Walden Pond, Concord, Massachusetts Author/Creator: Friesz, Paul J. Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, [2001] Resource Type: Map Access & Availability: Loading
5. Latin America and the Caribbean : atlas of our changing environment Author/Creator: United Nations Environment Programme. Oficina Regional para América Latina y el Caribe Publication/Creation: Panama City, Panama : UNEP, Regional Office for Latin America and the Caribbean, [2010] Resource Type: Map Access & Availability: Loading
6. Napa Valley historical ecology atlas : exploring a hidden landscape of transformation and resilience Author/Creator: Grossinger, Robin, 1969- Publication/Creation: Berkeley : University of California Press, [2012] Resource Type: Map Access & Availability: Loading
7. Terrestrial ecosystems, land surface forms of the conterminous United States Author/Creator: Cress, Jill J. (Jill Janene) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading