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Abstract

During the summer of 1961, preliminary investigations were carried on for a proposed three year study which will attempt to evaluate and correlate quantitative and qualitative differences of various plant and animal populations occurring on five different geological formations. Study areas were located in Yellowstone National Park on Pitchstone Plateau, 8,800 feet, and on Two Ocean Plateau, 9,200 feet. In the Teton National Forest study areas were located on Big Game Ridge, 9,400 feet, and on Huckleberry Ridge, 9,200 feet. The Moran study area, 6,800 feet, was located in Teton National Park adjacent to the Biological Research Station. Geological formations represented by these study areas are rhyolite lava, pyroclastic andesitic conglomerates, Cretaceous freshwater sandstone-claystone sediments, late Jurassic marine sandstone sediments and sediments of fluvial and glacial origin, respectively. Project Number 112.

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