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Publication Extents

Not all publications have extents, not all extents are completely accurate
Preliminary report on the geology, geophysics and hydrology of USBM/AEC Colorado core hole No. 2, Piceance Creek Basin, Rio Blanco County, Colorado
J. R. Ege, R. D. Carroll, F.A. Welder
1967, Open-File Report 67-87
Approximately 1,400 feet of continuous core was taken .between 800-2,214 feet in depth from USBM/AEC Colorado core hole No. 2. The drill, site is located in the Piceance Creek basin, Rio Blanco County, Colorado. From ground surface the drill hole penetrated 1,120 feet of the Evacuation Creek Member and 1,094...
Progress report II: Assays and analyses of pyritic core from Wadi Wassat gossan, Saudi Arabia
William C. Overstreet, Sayyad Moutouq Bahijra, Mohammed A. Fourati, Louis Gonzales
1967, Open-File Report 67-174
Assays of 31 samples of pyritic core from diamond drill holes under gossan at Wadi Wassat, Saudi Arabia, disclosed 0.02 oz/ton gold in five samples, and from0.11 to 1.68 oz/ton silver in 23 samples: The tenors are too low to constitute ores of either metal. Further work is required to...
Phosphate rock in Colombia - a preliminary report, with a section on the phosphate occurrence at Turmeque
James Bachelder Cathcart, Francisco Zambrano O., Pedro Mojica G.
1967, Open-File Report 67-43
Exploration for phosphate rock in Colombia was successfully carried out in 3 1/2 months by the U.S. Geological Survey and the Inventorio Minero of the Servicio Geologico Nacional, under the auspices of the U.S. Agency for International Development. A modern theory of exploration based on model studies of phosphorite deposits...
Locations and descriptions of lode mines and prospects in the Fairbanks district, Alaska
Robert Mills Chapman, Robert Lutz Foster
1967, Open-File Report 67-44
This report has been compiled from data gathered in the field in September and October, 1966, and from a detailed survey of the various geologic and mining reports on the Fairbanks lode mining district. A number of people who are familiar with mining in this district have provided some additional...
Preliminary geologic map of Ellipse II-6-1 and vicinity
M. J. Grolier
1967, Open-File Report 68-114
Site II P-6, which is in the southwestern part of Mare Tranquillitatis, is a mare area crossed by ridges and rays. Ellipse II-6-1 is north of the equator in the southwestern quadrant of the site. ...