Forest History Society Research PortalFrom the site: "The Forest History Society collections contain an extraordinary range of information about forest and conservation history, from prehistoric times to current events. This Research Portal provides access to over 45,000 citations to published items on environmental history topics, over 30,000 historic photographs, U.S. Forest Service history materials, descriptions of nearly 8,000 archival collections from over 450 North American repositories, and much more."