21. In 1911, the Emory River Lumber Company purchased the Frozen Head area and cut most of the forest's commercial timber . 22. In June 2015, the Forest Service proposed a revegetation project to create early successional habitat by commercial timber regeneration harvests. 23. The grounds at Curraghchase were bought by the State in 1957 and the property is now used as commercial timber . 24. Prior to the 1970s the land was part of the Cumberland Timber Forest which was a supplier of commercial timber . 25. This continued into the 20th century, when the Forestry Commission acquired the woodland around Stover Lake for commercial timber production. 26. Often planted with commercial timber species, many forests lack the native nut-bearing species that sustain bears during their fall eating binges. 27. Since commercial timber exploitation officially ceased in 1972, the forest has recovered well, although large areas are dominated by planted species. 28. But there have been large, commercial timber sales 5 miles south of Pinetop-Lakeside on high-mesa land at about 6, 000-feet altitude. 29. In addition, there was an epidemic of insect damage in the commercial timber , which was estimated at 30 million board feet. 30. Most of the forests in the Sierra are intact, as they are not of sufficient quality to encourage commercial timber harvesting.
