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165227 results.

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Page 6165, results 154101 - 154125

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Hydrology and water law: what is their future common ground?
Arthur M. Piper, Harold E. Thomas
1957, Open-File Report 57-90
We live in an age of social and economic evolution--evolution so deep reaching and rapid it constitutes ad revolution in numerous fields of human concern. Long-standing concepts of what is appropriate and orderly face drastic modification if they are to survive. To this situation the principles of applied hydrology and...
Surface water supply of eastern and central North Carolina
Edward B. Rice
1957, Open-File Report 57-96
None of the many factors that influence the economic growth of eastern and central North Carolina plays a more important role than water. Adequate water supply for municipal, rural domestic, industrial, and agricultural uses, is a basic need of any region....
A field method for the determination of calcium and magnesium in limestone and dolomite
Leonard Shapiro, Walter Wallace Brannock
1957, Open-File Report 57-99
The method is an adaptation of a procedure described by Betz and Noll1 in 1950. Calcium and magnesium are determined by visual titration using Versene (disodium ethylenediamine tetraacetate) with Murexide (ammonium purpurate) as the indicator for calcium and Eriochrome Black T as the indicator for magnesium....
Drainage area data for Alabama streams
J.S. Stallings, L.B. Peirce
1957, Open-File Report 57-106
The drainage area of a river basin is an important parameter in many engineering equations used for hydrologic design. It is not a parameter, however, that always requires precise measurement. Factors in the hydrologic cycle such as rainfall, runoff, transpiration, and infiltration cannot be measured nearly as closely as drainage...
Mineral deposits of Central America, with a section on manganese deposits of Panama
Ralph Jackson Roberts, Earl Montgomery Irving, F. S. Simons
1957, Bulletin 1034
The mineral deposits of Central America were studied between 1942 and 1945, in cooperation with the United States Department of State and the Foreign Economic Administration. Emphasis was originally placed on the study of strategic-mineral deposits, especially of antimony, chromite, manganese, quartz, and mica, but deposits of other minerals that...