Photographic Archive 1986-1993









Site Location: The monitoring site was located in southwestern Colorado, approximately 75 kilometers northeast of Durango in the San Juan Mountains.



Photographic Station: The camera was located at the Molas Pass summit on the highest ridge between Molas Pass and Little Molas Lake, west of highway 550. The camera viewed Indian Trail Ridge (~230), 38.5 km. A second camera was installed and viewed White Dome Pass (~103), 15.1 km from 1986 1987.



Operational Period: White Dome Pass Vista 07/25/86 02/24/87

Indian Trail Ridge vista 08/12/86 08/24/93


Data Collection: Photographs were taken at 09:00, 12:00, and 15:00 daily. Approximately 7,000 35mm-color slides of the Indian Trail Ridge vista were reviewed to develop the provided historical photographic archive.