Black Hills State University course materials
Robert Wellman Campbell, ed., Earthshots: Satellite Images of Environmental Change, 8th ed. (Sioux Falls, S.D.: USGS EROS Data Center, 2008) available at earthshots.usgs.gov.
WhereintheHills.com: A community rephotography project.
The University of Kansas landscape: Robert Wellman Campbell, "One Day In The Park With George," This Week in KU History, 2003. Robert Wellman Campbell, "The Vision Thing," 2003. Robert Wellman Campbell and Mark Hersey, "What We Need: A Long and Winding Road", University Daily Kansan, 3 May 2005. The University had no map of the whole campus, so we made this (GIF, 1.5 MB).
"A Haskell-Baker Bibliography," a project of local environmental history researching two square miles of Lawrence, Kansas. Completed by the students of History 562, Environmental History of the 20th-Century U.S., University of Kansas, spring 2002.
Robert Wellman Campbell, "South Dakota Vegetation Terms on Maps," 1997.