Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60Data sources and bibliographic references 54 Early explorers and fur trappers Goetzmann,William H. and G.Williams. 1992. The Atlas of North American Exploration. Prentice Hall General Reference, NY. Lavin, S.J., F.M. Shelley and J. Clark Archer. 2011. Atlas of the Great Plains. University of Nebraska Press. Anglin, Ronald M. and Larry E. Morris. 2014. GloomyTerrors and Hidden Fires: The Mystery of John Colter andYellowstone. Rowman & Littlefield. Emigrant trails, landmarks, and forts HistoricTrails: Bureau of Land Management, 2004. Historic Forts: WyomingTravel andTourism, 2008. Railroad expansion, stage roads, and cattle trails Wyoming State Geological Survey, Union Pacific Railroad, 2002. Bureau of Land Management, 2004. Counties and county seats The Newberry Library, Atlas of Historical County Boundaries,Wyoming Historical Counties, 2010. Population change Wyoming Economic Analysis Division, 2010. U.S. Census Bureau, 2014. Population centers in and around Wyoming U.S. Census Bureau, 2013. Federal Highway Administration, National Highway Planning Network, 2013. Migration to Wyoming, Migration from Wyoming U.S. Census Bureau American Community Survey estimates, 2012. Age, gender, and race U.S. Census Bureau, 2010. Land ownership Bureau of Land Management, 2013. Employment Wyoming Economic Analysis Division, 2012. Agriculture U.S. Forest Service. Wyoming’s Forest Products Industry and Timber Harvest, 2010. U.S. Department of Agriculture. Census of Agriculture: 2007, 2012. Livestock U.S. Department of Agriculture. Census of Agriculture: 2007, 2012. Western, Samuel. “The Wyoming Sheep Business.” Wyohistory.org. Major crops U.S. Department of Agriculture. Census of Agriculture: 2007, 2012. Young, J.A., B.M. Christensen, M.S. Schaad, M.E. Herdendorf, G.F.Vance, and L.C. Munn. 1999. A geographic information system to identify areas for alternative crops in northwestern Wyoming. p. 176–180. In: J. Janick (ed.), Perspectives on new crops and new uses. ASHS Press, Alexandria,VA. Oil and gas resources Wyoming State Geological Survey, 2007. Wyoming Oil and Gas Conservation Commission, 2014. Coal mining Wyoming Mining Association, 2014. Wyoming State Geological Survey, 2009. Other Mining Wyoming State Geological Survey, 2014. U.S. Bureau of Mines, Potential Exploitable Areas of Gypsum, Bentonite,Trona, Uranium. 1990. U.S. Geological Survey, Mineral Resource Data System, 2012. U.S. Nuclear Regulatory Commission. Locations of Uranium Recovery Facilities, 2014. Wind resources U.S. Geological Survey, 2012. National Renewable Energy Laboratory, Wind Resource Assessment, 2010. Transportation Federal Aviation Administration. Airport data and Contact Information, 2013. Airport locations: Wyoming Geographic Information Science Center, 2013. Freight data: Federal Highway Administration. Freight AnalysisFramework, 2007. Rail Data: Federal Railroad Administration, 2008. Parks, monuments, and historic sites Parks, monuments, historic sites: Wyoming Geographic Information Science Center, 2010. Scenic byways: Wyoming Office of Tourism, 2014. Visitor data: Wyoming Department of State Parks and Cultural Resources, 2012 and U.S. National Park Service, 2013. Wyoming’s Western heritage Rodeoz.com Authority Guide, 2013. Wyoming Geographic Information Science Center and Wyoming Travel and Tourism, 2008 and 2014. Election patterns Wyoming Secretary of State, 2012. County and city population tables U.S. Census Bureau, 2010. General reference data used throughout the Atlas County boundaries, major roads, state boundary, major cities, county seats, and 90 meter digital elevation model: Wyoming Geographic Information Science Center, 1997–2012. United States boundary data: Environmental Systems Research Institute, 2005. Stream data: National Hydrologic Data Set, 2013.