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Page 5641, results 141001 - 141025

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Volcanic stratigraphy of the Quaternary rhyolite plateau in Yellowstone National Park
Robert L. Christiansen, H. Richard Blank Jr.
1972, Professional Paper 729-B
The volcanic sequence of the Quaternary Yellowstone plateau consists of rhyolites and basalts representing three volcanic cycles. The major events of each cycle were eruption of a voluminous ash-flow sheet and formation of a large collapse caldera. Lesser events of each cycle were eruption of precaldera and postcaldera rhyolitic lava...
Recent activity of glaciers of Mount Rainier, Washington
Robert S. Sigafoos, E. L. Hendricks
1972, Professional Paper 387-B
Knowing the ages of trees growing on recent moraines at Mount Rainier, Wash., permits the moraines to be dated. Moraines which are ridges of boulders, gravel, sand, and dust deposited at the margins of a glacier, mark former limits of a receding glacier. Knowing past glacial activity aids our understanding...
Ground-water hydrology of prairie potholes in North Dakota
C. E. Sloan
1972, Professional Paper 585-C
Prairie potholes (sloughs) are water-holding depressions of glacial origin in the prairies of the Northern United States and southern Canada. Water is supplied to the potholes by precipitation on the water surface, basin runoff, and seepage inflow of ground water. Depleticn of pothole water results from evapotranspiration, overflow, and seepage...
Geological Survey research 1972
Water Resources Division, U.S. Geological Survey
1972, Professional Paper 800-D
This collection of 30 short papers is the third published chapter of "Geological Survey Research 1972." The papers report on scientific and economic results of current work by members of the Geologic and Water Resources Divisions of the U.S. Geological Survey.Chapter A, to be published later in the year, will...