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Activities and services of the U.S. Geological Survey, Denver area, Colorado
Water Resources Division, U.S. Geological Survey
1969, Report
This booklet is a summary of the activities and services of the United States Geological Survey, written for people who have visited or plan to visit one or more of its offices in the Denver area as well as to provide general information about the Geological Survey and its work....
Chemical properties of ground water and their corrosion and encrustation effects on wells
Ivan Barnes, Frank Eldridge Clarke
1969, Professional Paper 498-D
Well waters in Egypt, Nigeria, and West Pakistan were studied for their chemical properties and corrosive or encrusting behavior. From the chemical composition of the waters, reaction states with reference to equilibrium were tested for 29 possible coexisting oxides, carbonates, sulfides, and elements. Of the 29 solids considered, only calcite,...
The Alaska earthquake, March 27, 1964: Effects on communities
Wallace R. Hansen, Reuben Kachadoorian, Henry W. Coulter, Ralph R. Migliaccio, Roger M. Waller, Kirk W. Stanley, Richard W. Lemke, George Plafker, Edwin B. Eckel, Lawrence R. Mayo
1969, Professional Paper 542
This is the second in a series of six reports that the U.S. Geological Survey published on the results of a comprehensive geologic study that began, as a reconnaissance survey, within 24 hours after the March 27, 1964, Magnitude 9.2 Great Alaska Earthquake and extended, as detailed investigations, through several...
Effects of the earthquake of March 27, 1964, on various communities
George Plafker, Reuben Kachadoorian, Edwin B. Eckel, Lawrence R. Mayo
1969, Professional Paper 542-G
The 1964 earthquake caused wide-spread damage to inhabited places throughout more than 60,000 square miles of south-central Alaska. This report describes damage to all communities in the area except Anchorage, Whittier, Homer, Valdez, Seward, the communities of the Kodiak group of islands, and communities in the Copper River Basin; these...
Geophysical investigations in the Bi'r Idimah-Wadi Wassat area, Saudi Arabia, Part Two
R. V. Allen, W. E. Davis
1969, Open-File Report 69-6
Introduction Geophysical studies were continued in the Bi'r Idimah-Wadi Wassat area during February 1965. Detailed electromagnetic measurements were made along selected traverses over the northern part of the gossan to supplement earlier dip-angle data; and reconnaissance surveys were made over the central and southern parts of the gossan. Gossan is exposed...
Geophysical investigations in the Bi'r Idimah-Wadi Wassat area, Saudi Arabia, Part One
R. V. Allen, W. E. Davis
1969, Open-File Report 69-5
Introduction A geophysical investigation was conducted over the northern part of a large gossan near Bi'r Idimah in the Asir quadrangle. The study was made primarily to determine the electromagnetic response of a deposit of massive sulphides found in exploratory drilling. Presumably the geophysical data could be used to trace the...
Preliminary investigation of gold mineralization in the Pedro Dome-Cleary Summit area, Fairbanks district, Alaska
H.D. Pilkington, R. B. Forbes, D. B. Hawkins, R. M. Chapman, R. C. Swainbank
1969, Open-File Report 69-206
Anomalous gold values in mineralized veins and hydrothermally altered quartz-mica schist in the Pedro Dome-Cleary Summit area of the Fairbanks district suggest the presence of numerous small low- to high-grade lodes. Anomalous concentrations of gold were found to exist in the wall rocks adjacent to mineralized veins. In general, the...