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165355 results.

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Page 6141, results 153501 - 153525

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Development of photogrammetry in the U.S. Geological Survey
Morris M. Thompson
1958, Circular 218
Photogrammetry, the science or art of obtaining reliable measurements by means of photography, is now used extensively in topographic mapping. Precise photogrammetric plotting instruments now enable the map maker to extract from aerial photographs much.of the detailed information required for drawing the map that formerly was acquired by laborious ground...
Geology and ore deposits of the Jerome area, Yavapai County, Arizona
C.A. Anderson, S.C. Creasey
1958, Professional Paper 308
The Jerome area, in central Arizona, includes the Mingus Mountain quadrangle and parts of the adjacent Clarkdale, Mayer, and Mount Union quadrangles. The largest copper mines in the area at Jerome are the United Verde Extension and the United Verde. The United Verde Extension, closed in 1938 and the United...
Water and the conservation movement
Luna Bergere Leopold
1958, Circular 402
Every age has its unique touchstone, its hallmark. The Nineties were thought gay. The Twenties had jazz and John Held, Jr. The Thirties had breadlines, dust bowls, the forgotten man. And each recent period has been studded with so many flashy gems, both paste and genuine, that no hallmark would...