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2. 2. Lebow, B., T. Patel-Weynand, T. Loveland, and R. Cantral, 2012: Land Use and Land Cover National Stakeholder Workshop Technical Report. Report prepared for 2013 National Climate Assessment, 73 pp. [Available online at http://downloads.usgcrp. gov/NCA/Activities/final_nca_lulc_workshop_report.pdf]
3. 3. Loveland, T. R., T. L. Sohl, S. V. Stehman, A. L. Gallant, K. L. Sayler, and D. E. Napton, 2002: A strategy for estimating the rates of recent United States land cover changes. Photogrammetric Engineering & Remote Sensing, 68, 1091-1099. [Available online at http://www. sdakotabirds.com/feathers_and_folly/Sohl_Pubs/2002_PERS_ Loveland_Trends_Strategy.pdf]
4. 4. Nickerson, C., R. Ebel, A. Borchers, and F. Carriazo, 2011: Major Uses of Land in the United States, 2007. U.S. Department of Agriculture, Economic Research Service. [Available online at http://webarchives.cdlib.org/sw1tx36512/http://ers.usda.gov/ Publications/EIB89/EIB89.pdf]
5. 5. U.S. Census Bureau, cited 2012: Table 1. Urban and Rural Population: 1900 to 1990. [Available online at http://www.census. gov/population/censusdata/urpop0090.txt]