 After the creation of the Civilian Conservation Corps ( <unk> ) in 1933 , nine camps and eight <unk> were set up in Boise National Forest , but the number of camps was reduced from 1934 until the program was closed in 1942 . Work conducted by the <unk> included fire suppression , fish habitat improvement , and construction of guard houses , fire lookouts , campgrounds , roads , and trails , among other facilities . 
