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Ground-water conditions and storage capacity in the San Joaquin Valley, California
G. H. Davis, J. H. Green, F. H. Olmsted, D. W. Brown
1959, Water Supply Paper 1469
The San Joaquin Valley includes roughly the southern two-thirds of the Great Central Valley of California. It is a broad structural trough surrounded by mountains. The northern part of the valley drains through the San Joaquin River northward to San Francisco Bay ; the southern part of the valley normally...
Occurrences of alunite, pyrophyllite, and clays in the Cerro La Tiza area, Puerto Rico
Fred Adelbert Hildebrand, Raymond J. Smith
1959, Open-File Report 59-54
A deposit of hydrothermally altered rocks in the Cerro La Tiza area located between the towns of Comerio and Aguas Buenas, approximately 25 kilometers southwest of San Juan, Puerto Rico, was mapped and studied to determine the principal minerals, their extent distribution and origin, and the possibility of their economic...