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Page 5847, results 146151 - 146175

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Ground-water aspects of the lower Henrys Fork region, Idaho
E.J. Crosthwaite, M.J. Mundorff, E.H. Walker
1967, Open-File Report 67-71
The lower Henrys Fork region includes the plains and low benches between Ashton and the junction of Henrys Fork and Snake River in eastern Idaho. The northwestern and western parts of the area are part of the Snake River lava plain. The central part of the area is occupied by...
Are we running out of water?
Raymond L. Nace
1967, Circular 536
Water supplies are not running out, but time is getting short to stem waste of water and destructive exploitation of the environment before harm is done that may be irreparable. Most of the world's water is oceanic brine. Of the waters on the land, most is frozen in Antarctica and...
Determination of gold in geologic materials by solvent extraction and atomic-absorption spectrometry
Claude Huffman, J.D. Mensik, L.B. Riley
1967, Circular 544
The two methods presented for the determination of traces of gold in geologic materials are the cyanide atomic-absorption method and the fire-assay atomic-absorption method. In the cyanide method gold is leached with a sodium-cyanide solution. The monovalent gold is then oxidized to the trivalent state and concentrated by extracting into...
Ground water in the Eola-Amity Hills area, northern Willamette Valley, Oregon
Don Price
1967, Water Supply Paper 1847
The Eola-Amity Hills area ,comprises about 230 square miles on the west side of the Willamette Valley between Salem and McMinnville, Oreg. The area is largely rural, and agriculture is the principal occupation. Rocks ranging in age from Eocene to Recent underlie the area. The oldest rocks are a sequence...