Rocky Mountain National Park Glacier Survey Reports

The National Park Service (NPS) conducted glacier surveys in Rocky Mountain National Park (RMNP), Colorado, beginning in 1932. This collection of glacier surveys covers the years 1932 to 1952. Most of the reports include several glacier photographs. Copies of the original reports are held in the NSIDC Analog Archives. You can access the entire reports using the listings below.

Glacier photographs in the reports are also included, individually, in our Glacier Photograph Collection. To access these high-resolution version, see the Search & Order interface.

To cite photographs from the Glacier Photograph Collection, please see Citing These Data in the documentation. For more information about the NPS Glacier Survey Reports special collection, see the section on NPS Glacier Survey Reports in the documentation.

Select a Report

To download a glacier survey report, click the title of the report.

Topographic Map, RMNP, 1937, Area of Study (TIFF, 82 MB)
Glacier Survey, RMNP, 1934, Dorr C. Yeager (PDF, 513 KB)
Glacier Survey, RMNP, 1937, H.R. Gregg (PDF, 1.8 MB)
Glacier Survey, RMNP, 1938, H.R. Gregg (PDF, 2.2 MB)
Glacier Survey, RMNP, 1939, H.R. Gregg (PDF, 1.7 MB)
Glacier Survey, RMNP, 1940, H.R. Gregg (PDF, 2 MB)
Glacier Survey, RMNP, 1941, H.R. Gregg (PDF, 1.1 MB)
Glacier Survey, RMNP, 1942, H.R. Gregg (PDF, 1.8 MB)
Glacier Survey, RMNP, 1944, Russell Grater (PDF, 296 KB)
Glacier Survey, RMNP, 1946, H.R. Gregg (PDF, 1.9 MB)
RMNP, 1949 Glacier Report, Edwin C. Alberts (PDF, 287 KB)
RMNP, 1950 Glacier Report, R.G. Bindelman (PDF, 1.8 MB)
Glacier Measurement Report for 1951, RMNP, Edwin C. Alberts (PDF, 15.9 MB)
Glacier Measurement Report for 1952, RMNP, Naturalist Office (PDF, 14.5 MB)