Klamath National Forest Improvements - Yerka CA “The Klamath National Forest (KNF) was sponsor to numerous CCC projects and played host to many camps. Throughout the nine years of the CCC program, the Klamath National Forest had ten base camps and numerous spike camps – many of which were forgotten over time. KNF activities assigned to the CCC enrollees included vegetation clearing and CCC camp construction; administration building construction and building improvements (includes ranger stations, guard stations, lookouts, garages, etc.); livestock tanks and troughs; corral construction, drift fence construction; erosion control; trail construction (including the Pacific Crest Trail); waterline construction; well construction; fire fighting; blister rust control;...