Civilian Conservation Corps in Mammoth Cave National Park Mammoth Cave National Park

Kämper Map of Mammoth Cave Mammoth Cave National Park

Mammoth Cave Glass Plate Negatives Mammoth Cave National Park

Green River Mammoth Cave National Park; National Park Service

Blank negative Mammoth Cave National Park; National Park Service

Deluxe cottages Mammoth Cave National Park; National Park Service

Project # 44 Mammoth Cave National Park; National Park Service

Empty amphitheater Mammoth Cave National Park; National Park Service

Unidentified barn Mammoth Cave National Park; National Park Service

Dogwood blossoms Mammoth Cave National Park; National Park Service

View of reservoir Mammoth Cave National Park; National Park Service

Green River reflections Mammoth Cave National Park; National Park Service

Unidentified barn Mammoth Cave National Park; National Park Service

Quarters No. 3 Mammoth Cave National Park; National Park Service

Unidentified barn Mammoth Cave National Park; National Park Service

Unidentified road Mammoth Cave National Park; National Park Service

Unidentified dwelling Mammoth Cave National Park; National Park Service

View of reservoir Mammoth Cave National Park; National Park Service

Unidentified cave entrance Mammoth Cave National Park; National Park Service

Playing croquet Mammoth Cave National Park; National Park Service

Unidentified dwelling Mammoth Cave National Park; National Park Service

Mammoth Cave Hotel Mammoth Cave National Park; National Park Service

Cave, Robertson's Avenue Mammoth Cave National Park; National Park Service

Cave, Robertson's Avenue Mammoth Cave National Park; National Park Service

Old Guides Cemetery Mammoth Cave National Park; National Park Service

View of plants Mammoth Cave National Park; National Park Service

Unidentified cave entrance Mammoth Cave National Park; National Park Service

Unidentified dwelling Mammoth Cave National Park; National Park Service

Complete Mammoth Cave National Park; National Park Service

Mammoth Cave Hotel Mammoth Cave National Park; National Park Service

Mammoth Cave Hotel Mammoth Cave National Park; National Park Service

Quarters No. 2, 1941 Mammoth Cave National Park; National Park Service

View of river Mammoth Cave National Park; National Park Service

Cows on pasture Mammoth Cave National Park; National Park Service

Unidentified dwelling Mammoth Cave National Park; National Park Service

Quarters No. 4, 1941 Mammoth Cave National Park; National Park Service

Cows on pasture Mammoth Cave National Park; National Park Service

Quarter No. 1, 1941 Mammoth Cave National Park; National Park Service

ECW central warehouse Mammoth Cave National Park; National Park Service

Rangers stable Mammoth Cave National Park; National Park Service

Project # 44 Mammoth Cave National Park; National Park Service

Showing completed incinerator, 1941 Mammoth Cave National Park; National Park Service

Ricked wood Mammoth Cave National Park; National Park Service

Rangers stable Mammoth Cave National Park; National Park Service

Snow and ice Mammoth Cave National Park; National Park Service

Log building (torn) Mammoth Cave National Park; National Park Service

Wood pile Mammoth Cave National Park; National Park Service

Improvement pictures, walkway, 1949 Mammoth Cave National Park; National Park Service

Frozen Niagara Mammoth Cave National Park; National Park Service

Frozen Niagara Mammoth Cave National Park; National Park Service

Fire lookout tower Mammoth Cave National Park; National Park Service

Quarters No. 1, 1941 Mammoth Cave National Park; National Park Service

Forestry, beech tree, 1938 Mammoth Cave National Park; National Park Service