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Page 5723, results 143051 - 143075

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The geologic story of Yellowstone National Park
William Richard Keefer
1971, Bulletin 1347
In the aftermath of the Civil War, the United States expanded the exploration of her western frontiers to gain a measure of the vast lands and natural resources in the region now occupied by our Rocky Mountain States. As part of this effort, the Geological and Geographical Survey of the...
Distribution of copper, lead, zinc, mercury, and arsenic in the surface sediments off the coast of northwestern Alaska
Peter Barnes, Kam Wo Leong
1971, Miscellaneous Field Studies Map 316
Increasing interest in potentially harmful substances utilized and discarded by man has raised question about the normal distribution of chemical elements in the natural environment.  This interest prompted a baseline study of a pristine region off the northern coast of Alaska.  Information was gathered on currents, water clarity, nutrients, temperature...