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Page 6325, results 158101 - 158125

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Publication Extents

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Stratigraphic sections of the Phosphoria formation in Idaho
V.E. McKelvey, D.F. Davidson, F.W. O’Malley, L.E. Smith, F.C. Armstrong, R.P. Sheldon
1951, Open-File Report 51-18-A
The first of a series of reports giving detailed stratigraphic sections of the Phosphoria formation in the Western phosphate field as measured and described by the Geological Survey will be released as Circulars within the next few months. Because of the needs of industry for many of these data during...
Stratigraphic sections of the Phosphoria formation in Wyoming
V.E. McKelvey, L.E. Smith, R.A. Hoppin, F.C. Armstrong
1951, Open-File Report 51-18-D
The first of a series of reports giving detailed stratigraphic sections of the Phosphoria formation in the Western phosphate field as measured and described by the Geological Survey will be released as Circulars within the next few months. Because of the needs of industry for many of these data during...
Reconnaissance of radioactive rocks of Maine
John M. Nelson, Perry F. Narten
1951, Trace Elements Investigations 68
The state of Maine was traversed with car-mounted Geiger-Mueller equipment in the late summer of 1948 and the radioactivity of approximately 4,600 miles of road was logged. All samples were analyzed, both in the field by comparing the radioactivity of each sample to the radioactivity of a stranded measured with a...
Reconnaissance of radioactive rocks of Massachusetts
Donald H. Johnson
1951, Trace Elements Investigations 69
During the 1948 and 1949 field seasons radiometric car traverses were made along the numbered federal and state highways and along many unnumbered roads of Massachusetts. Near Worcester pegmatitic rocks are estimated to contain about 250 pounds of uranium and 8,500 pounds of thoria per foot of depth. Near Southbridge pegmatitic rocks are...