Loyalsock State Forest is a Pennsylvania state forest in Pennsylvania Bureau of Forestry District #20. The forest spans across the northern tier's "Endless Mountains" and is a total of. The Loyalsock is a “working forest” and is managed for pure water, recreation, scenic beauty, plant and animal habitat, sustainable timber, and natural gas.In 2008, the District 20 office was moved into a brand new facility on the districts far eastern boundary in Dushore, Pennsylvania in Sullivan County in the United States. The Hillsgrove Ranger Station, which also houses the districts maintenance section, is located in Hillsgrove, Pennsylvania in Sullivan County.HistoryThe state forests of Pennsylvania were formed as a direct result of the depletion of the forests of Pennsylvania that took place during the mid-to-late 19th century. Conservationists like Dr. Joseph Rothrock became concerned that the forests would not regrow if they were not managed properly. Lumber and Iron companies had harvested the old-growth forests for various reasons. They clear cut the forests and left behind nothing but dried tree tops and rotting stumps. The sparks of passing steam locomotives ignited wildfires that prevented the formation of second growth forests.