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Publication Extents

Not all publications have extents, not all extents are completely accurate
Reconnaissance investigations of the discharge and water quality of the Amazon River
Roy Edwin Oltman
1968, Circular 552
Selected published estimates of the discharge of Amazon River in the vicinity of Obidos and the mouth are presented to show the great variance of available information. The most reasonable estimates prepared by those who measured some parameters of the flow were studied by Maurice Parde, who concluded that the...
Distribution of beryllium, tin, and tungsten in the Lake George area, Colorado
C. C. Hawley, Wallace R. Griffitts
1968, Circular 597
Complex ore deposits are spatially associated with granitic bodies of Precambrian age in the Lake George area, Colorado. They include greisens that contain high concentrations of beryllium and subordinate amounts of tin, tungsten, and other metals associated with the Redskin Granite. Scheelite deposits in calc-silicate rocks and greisen deposits near Tappan Mountain...
Ground-water geology of Kordofan Province, Sudan
Harry G. Rodis, Abdulla Hassan, Lutfi Wahadan
1968, Water Supply Paper 1757-J
For much of Kordofan Province, surface-water supplies collected and stored in hafirs, fulas, and tebeldi trees are almost completely appropriated for present needs, and water from wells must serve as the base for future economic and cultural development. This report describes the results of a reconnaissance hydrogeologic investigation of the...