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Recreation Residences or "Forest Service Cabins" are private residences enabled by the 1915 
Occupancy Permits Act
The Occupancy Permits Act was passed on March 4, 1915, by the 63rd United States Congress. It allowed the U.S. Forest Service to issue to cabin permits at "reasonable rates" to individuals who had had their property taken through eminent domain
E ...
on land that later became the US Forest Service
The United States Forest Service (USFS) is an agency of the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands. The Forest Service manages of land. Major divisions of the agency inc ...
. The Recreation Residence Program authorizes the public to construct recreational cabins subject to various permit terms. As of 2014, there are over 14,000 Recreational Residences on Forest Service land and the owners of these residences are represented by the National Forest Homeowners group.
Recreation cabins are sometimes misused and have been a source of controversy, but the program was renewed with the passage of 2014 Cabin Fee Act (CFA) as part of the 2015 National Defense Authorization Act.
References
United States Forest Service {{Forestry-stub