The Environmental Impact Statement (EIS) Database provides information about EISs prepared by federal agencies, as well as EPA's comments concerning the EISs, including National Park lands and historic sites.
Explore National Parks and National Recreation Areas by state, by interest, and with maps. A great resource for finding the information you need for recreation on National Lands.
Treesearch is an open access online database for sharing free, full text peer reviewed publications authored or funded by USDA Forest Service Research & Development.
Wilderness Study Areas (commonly known as WSAs) are places that have wilderness characteristics; that is a minimum size, naturalness, and outstanding opportunities for recreation which make them eligible for designation as wilderness.