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Page 5751, results 143751 - 143775

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Quantitative comparison of some aesthetic factors among rivers
Luna Bergere Leopold
1969, Circular 620
It is difficult to evaluate the factors contributing to aesthetic or nonmonetary aspects of a landscape. In contrast, aspects which lend themselves to cost-benefit comparisons are now treated in a routine way. As a result, nonmonetary values are described either in emotion-loaded words or else are mentioned and thence forgotten.The...
Gold Veins near Great Falls, Maryland
John Calvin Reed Jr., John C. Reed
1969, Bulletin 1286
Small deposits of native gold are present along an anastomosing system of quartz veins and shear zones just east of Great Falls, Montgomery County, Md. The deposits were discovered in 1861 and were worked sporadically until 1951, yielding more than 5,000 ounces of gold. The vein system and the principal veins...