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Page 6309, results 157701 - 157725

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geology of the Dry Valley quadrangle, Idaho; a preliminary report
E. R. Cressman
1952, Open-File Report 52-31
The Dry Valley quadrangle is one of seven 71-minute quadrangles in southeastern Idaho being mapped by the U. S. Geological Survey as part of an investigation of the western phosphate field. This work was done on behalf of the Division of Raw Materials of the Atomic Energy Commission. Most of...
Preliminary report on the Passamaquoddy bedrock survey, July-August, 1951
William Ogden Smith, J. E. Upson
1952, Open-File Report 52-140
In order to understand the results of the Passamaquoddy bedrock survey and the details of the method of obtaining them, it is desirable to have, in outline, a general idea of the methods and their application. In this part of the report a general account of the operation will be...
Topographic instructions, Book 3, multiplex procedure; Chapter 3 C7a-e
Edward I. Loud
1952, Circular 164
By direct projection of overlapping photographs, printed on glass plates, the multiplex produces an exact optical model, in miniature, of the terrain to be mapped. To create the model, the multiplex projectors must be properly positioned and oriented so that they duplicate the orientation of the aerial camera at the...
Pumice deposits in the Alaska Peninsula-Cook Inlet region
R.M. Moxham
1952, Open-File Report 52-103
Three principal areas of pumice deposition have been found in the Alaska Peninsula-Cook Inlet region: Katmai National Monument, Augustine Island, and the Veniaminof-Aniakchak area. Vast quantities of pumice were deposited in Katmai National Monument resulting from the eruption of Mt. Katmai and related volcanic action in 1912. The principal deposits in...