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Album caption: Flathead Co, Mont. Index card: Exposure of Helena Formation and talus on Brown Pass Trail. Glacier National Park. Flathead County, Montana. August 13, 1981.
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Glacier National Park, Montana. Basal pillowed section of Purcell lava in contact with Snowslip Formation at Kootenai Peak. Note very large pillow to the lower right of pick. August 26, 1983.


    map background search result map search result map Exposure of Helena Formation and talus on Brown Pass Trail. Glacier National Park. Flathead County, Montana. 1981. Cascade on Gunsight trail. Glacier National Park, Montana. 1913. Bonanza King Formation, in the upper part of Echo Canyon, is mostly dark-colored, massive, cavernous dolomite. Death Valley National Park, California. Circa 1960. Basal pillowed section of Purcell lava at Kootenai Peak. Glacier National Park, Montana. 1983. Filled channel at base of Lower Slope Esplanade Sandstone, Tuckup Canyon. Grand Canyon National Park, Mohave County, Arizona. 1971. Exposure of Helena Formation and talus on Brown Pass Trail. Glacier National Park. Flathead County, Montana. 1981. Cascade on Gunsight trail. Glacier National Park, Montana. 1913. Basal pillowed section of Purcell lava at Kootenai Peak. Glacier National Park, Montana. 1983. Bonanza King Formation, in the upper part of Echo Canyon, is mostly dark-colored, massive, cavernous dolomite. Death Valley National Park, California. Circa 1960. Filled channel at base of Lower Slope Esplanade Sandstone, Tuckup Canyon. Grand Canyon National Park, Mohave County, Arizona. 1971.