Harvey T. Carter’s archival collection contains photo albums, correspondence, extensive climbing records and personal papers, climbing gear, and other items. Collected throughout his life, it includes many photos of rock formations and climbing routes, particularly in Colorado. Carter’s collection includes aid gear, traditional protection, ropes, shoes, bolting equipment, and camping gear, some of which are unique handmade items. Carter recorded many Colorado first ascents and his map collection is organized and covers many Colorado climbing areas. Carter created his own system to rank the difficulty of climbs and applied it to many of Colorado’s climbs.