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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geologic map of Lake Valley manganese district, Sierra County, New Mexico
S.C. Creasey, A.E. Granger
1953, Miscellaneous Field Studies Map 9
The Lake Valley district was originally developed as a manganese-silver district, but the known silver-bearing ore bodies have long since been worked out.  The critical shortage of manganese during World War II renewed interest in the manganese deposits; from October 1941 through June 1942 the U. S. Geological Survey and...
Stratigraphic sections of the Phosphoria formation in Idaho, 1949, part 1
R.P. Sheldon, M.A. Warner, M.E. Thompson, H.W. Peirce
1953, Circular 304
The U. S. Geological Survey has recently measured and sampled the Phosphoria formation at many localities in Idaho and other western states. These data. will not be fully synthesized and analyzed for several years, but segments of the data, accompanied by little or no interpretation, are published as preliminary reports as...
Stratigraphic sections of the Phosphoria formation measured and sampled in 1952
Thomas McGiffin Cheney, R.P. Sheldon, E. R. Cressman, R.A. Smart, L.D. Carswell
1953, Open-File Report 53-36
A series of reports presenting detailed stratigraphic sections and analyses of samples of the Phosphoria formation in the western phosphate field is being prepared for publication as U. S. Geological Survey Circulars. To speed the availability of these data to industry and others having immediate need for such basic information,...