Geological Survey Professional Paper 1180 Grinnell and Sperry Glaciers, Glacier National Park, Montana: A Record of Vanishing Ice

Alden, W.C. 1914, Glaciers of Glacier National Park: Washington, U.S. Department of the Interior, 48 p.

______ 1923, Rate of movement in glaciers of Glacier National Park: Science, v. 57, no. 1470, p. 268.

Dightman, R.A., 1956, Grinnell Glacier studies, a progress report as related to climate: Monthly Weather Review, v. 84, no. 9, p. 329-332.

______ 1967, Historical and climatological study of Grinnell Glacier, Montana: U.S. Weather Bureau Technical Memorandum WR-24, 26 p.

Dyson, J.L., 1940, Recession of glaciers in Glacier National Park, Montana: American Geophysical Union Transactions of 1940, pt. 2, p. 508-510.

______ 1948, Shrinkage of Sperry and Grinnell Glaciers, Glacier National Park, Montana: Geographical Review, v. 38, p. 95-103.

Farnes, P.E., and Shafer, B.A., 1975, Summary of snow survey measurements for Montana, 1922-1974: Bozeman, Montana, [U.S.] Soil Conservation Service, 220 p.

Gibson, G.R., and Dyson, J.L., 1939, Grinnell Glacier, Glacier National Park, Montana: Geological Society of America Bulletin, v. 50, no. 5, p. 681-696.

Grinnell, G.B., 1901, The crown of the continent: New York, Century Company, Century Illustrated Monthly Magazine, v. 62, no. 5 [original designation; v.40 in new ser.], p. 660-672.

Johnson, Arthur, 1960, Variation in surface elevation of the Nisqually Glacier, Mt. Rainier, Washington: International Association of Scientific Hydrology Bulletin 19, p. 54-60.

Matthes, F.E., 1904, The Alps of Montana: Appalachia [Appalachian Mountain Club journal], v. 10, no. 3, p. 255-276.

Matthes, F.E., chairman, 1937, Report of committee on glaciers, 1936-37, in Transactions of the American Geophysical Union 18th annual meeting, 1937, part II: National Research Council, Washington, p. 293-299.

______ 1938, Report of committee on glaciers, 1937-38, in Transactions of the American Geophysical Union 19th annual meeting, 1938, part I: National Research Council, Washington, p. 315-320.

Robinson, D.H., 1957, The glacier moves tortuously: Montana—The magazine of western history, v. 7, no. 3, p. 12-25.

Russell, I.C., 1898, Glaciers of Mount Rainier, with a paper on the rocks of Mount Rainier, by G.O. Smith: U.S. Geological Survey 18th Annual Report, 1896-97, pt. 2, p. 349-423.

Sperry, A.L., 1938, Avalanche: Boston, Massachusetts, Christopher Publishing House, 166 p.

U.S. Geological Survey, 1959, Compilation of records of surface waters of the United States through September 1950—Part 5, Hudson Bay and Upper Mississippi River Basins: U.S. Geological Survey Water-Supply Paper 1308, 708 p.

______ 1964, Compilation of records of surface waters of the United States, October 1950 to September 1960—Part 5, Hudson Bay and Upper Mississippi River Basins: U.S. Geological Survey Water-Supply Paper 1728, 576 p.

______ 1971, Surface water supply of the United States, 1961-65—Part 5, Hudson Bay and Upper Mississippi River Basins; volume 1, Hudson Bay Basin: U.S. Geological Survey Water-Supply Paper 1913, 407 p.

______ 1976, Surface water supply of the United States, 1966-70—Part 5, Hudson Bay and Upper Mississippi River Basins; volume 1, Hudson Bay Basin: U.S. Geological Survey Water-Supply Paper 2113, 425 p.

Veatch, F.M., 1969, Analysis of a 24-year photographic record of Nisqually Glacier, Mount Rainier National Park, Washington: U.S. Geological Survey Professional Paper 631, 52 p. [2d printing 1971]