City of Boulder: Historic Dunn House at South Mesa Trailhead
City of Boulder: Historic photo of Chautauqua Visitors
City of Boulder: Sunrise Amphitheater
City of Boulder: AmeriCorps crew working on the Bluebell Shelter
City of Boulder: Brammeier Homestead remains
City of Boulder: Calf and Flatirons
City of Boulder: CCC Camp at 6th and Baseline
City of Boulder: Chapman Drive
City of Boulder: Chapman Drive Cattle Guard
City of Boulder: Cheyenne
City of Boulder: OSMP Staff examining a grain drill
City of Boulder: Fowler Trail - defunct railroad grade
City of Boulder: Bridge over the Denver Water Board Canal
City of Boulder: Doudy walkway
City of Boulder: Sulky or Dump Rake - Schooley
City of Boulder: Sulky or Dump Rake - Eisenberg
City of Boulder: Dunn House
City of Boulder: Sanitas Stone Shelter
City of Boulder: Green Mountain Lodge
City of Boulder: The beginning of the Goshawk Ridge Trail
City of Boulder: Grain binder
City of Boulder: Seed drill - Eisenberg
City of Boulder: Prescribed burn
City of Boulder: Green Mountain Lodge
City of Boulder: Historic photo of hikers at the summit of Green Mountain
City of Boulder: Stockton Cabin
City of Boulder: Eldorado Springs
City of Boulder: Red Rock Cola Cabin
City of Boulder: Eldorado Springs Hotel
City of Boulder: Halfway House