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164511 results.

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Page 6065, results 151601 - 151625

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Geomorphology and forest ecology of a mountain region in the central Appalachians
John Tilton Hack, John C. Goodlett
1960, Professional Paper 347
The area studied, mostly in the headwaters of the Shenandoah River, Augusta and Rockingham Counties, Va., includes about 55 square miles of densely forested mountain land and has an average relief of about 1,500 feet. It is part of an area that in June 1949 was subjected to a violent...
Residue method for common minor elements
Joseph Haffty
1960, Water Supply Paper 1540-A
A spectrographic method is described for the quantitative analysis of many minor elements in natural water. The excitation of the water residue using a direct-current arc provides a method for the detection of elements present in very low concentrations. The concentration of the elements is determined in percent of the...
Geology and ground water in Napa and Sonoma Valleys, Napa and Sonoma Counties, California
Fred Kunkel, Joseph Edwin Upson
1960, Water Supply Paper 1495
Napa and Sonoma Valleys are adjacent alluvium-filled valleys about 40 miles northeast of San Francisco. They occupy alined and structurally controlled depressions in the northern Coast Ranges physiographic province and drain south into San Pablo Bay. The valleys are surrounded and underlain by unconsolidated marine and continental sediments and volcanic...
Geology, water resources and usable ground-water storage capacity of part of Solano County, California
H.G. Thomasson Jr., F. H. Olmsted, E. F. LeRoux
1960, Water Supply Paper 1464
The area described is confined largely to the valley-floor and foothill lands of Solano County, which lies directly between Sacramento, the State capital, and San Francisco. The area is considered in two subareas: The Putah area, which extends from Putah Creek southward to the Montezuma Hills and from the foothills...
Geology and ground-water resources of the lower Little Bighorn River Valley, Big Horn County, Montana, with special reference to the drainage of waterlogged lands
E. A. Moulder, M. F. Klug, D. A. Morris, F. A. Swenson, R. A. Krieger
1960, Water Supply Paper 1487
The lower Little Bighorn River valley, Montana, is in the unglaciated part of the Missouri Plateau section of the Great Plains physiographic province. The river and its principal tributaries rise in the Bighorn Mountains, and the confluence of this northward-flowing stream with the Bighorn River is near the east edge...