| 2010 | "Wallace Stegner" in Encyclopedia of American Environmental History |
| 2010 | "Terry Tempest Williams" in Encyclopedia of American Environmental History |
| 2010 | "Bacon’s Rebellion" in Encyclopedia of American Environmental History |
| 2010 | "Salmon" in Encyclopedia of American Environmental History |
| 2010 | "Frederick Weyerhauser" in Encyclopedia of American Environmental History |
| 2010 | "Barry Lopez" in Encyclopedia of American Environmental History |
| 2009 | "Reviewed Work: Nature's New Deal: The Civilian Conservation Corps and the Roots of the American Environmental Movement by Neil M. Maher" in Environmental History |
| 2009 | "“Setting the river free”: The removal of the Edwards dam and the restoration of the Kennebec River" in Water History |
| 2008 | Natural Protest: Essays on the History of American Environmentalism |
| 2008 | "Reviewed Work: Energy Metropolis: An Environmental History of Houston and the Gulf Coast by Martin V. Melosi, Joseph A. Pratt" in The Southwestern Historical Quarterly |
| 2008 | "“Fancy Foreshadowed a Magnificent Destiny”: The Market Revolution and the Kennebec River Dam Fight" in Natural Protest: Essays on the History of American Environmentalism |
| 2007 | "The American West" of The Encyclopedia of the Homefront: Britain, Canada, and the United States During World War I and World War II |
| 2005 | "Crane on Evenden, 'Fish versus Power: An Environmental History of the Fraser River'" in H-Environment |
| 2004 | "Dams, Reservoirs, and Artificial Lakes" in Encyclopedia of World Environmental History |
| 2003 | "Reviewed Work: Watershed: The Undamming of America by Elizabeth Grossman" in Oregon Historical Quarterly |
| 2003 | "Reviewed Work: Around the Sound: A History of Howe Sound — Whistler by Doreen Armitage" in The Pacific Northwest Quarterly |
| 2003 | "Crane on Montgomery and Bolton and Booth and Wall, 'Restoration of Puget Sound Rivers'" in H-Environment |
| 2002 | "Protesting Monuments to Progress: A Comparative Study of Protests against Four Dams, 1838-1955" in Oregon Historical Quarterly |
| 2002 | "Reviewed Work: Seeking El Dorado: African Americans in California by Lawrence B. DeGraaf, Kevin Mulroy, Quintard Taylor" in Oregon Historical Quarterly |
| 2001 | "Civilian Conservation Corps" in Encyclopedia of the Great Depression and the New Deal |