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Flood of June 1972: Allegheny River at Portville, New York
G.K. Schultz, S. Hladio, D. A. Sherwood
1972, Open-File Report 72-338
In June 1972, tropical storm Agnes caused sever flooding in Pennsylvania and southern New York. The flood, on many major streams were the highest known since the river valleys were settled. Maximum discharges were as much as twice the discharge of a 50-year flood. In southern New York, large areas...
A summary view of water supply and demand in the San Francisco Bay Region, California
Saul E. Rantz
1972, Open-File Report 72-462
This report presents a summary view of the water-supply situation in the nine counties that comprise the San Francisco Bay region, California, and thereby provides water data, based on 1970 conditions, that are needed for regional planning. For the purpose of this study the nine-county region has been divided into...
Geology and mineral deposits of the Wadi an Nuqumi quadrangle, Kingdom of Saudi Arabia
C. L. Hummel
1972, Open-File Report 72-176
The rocks, structures, and mineral deposits of the Wadi an Nuqumi quadrangle were formed during three periods of deformation, two of Precambrian age and one of Tertiary and Recent age. The older Precambrian Halaban cycle produced the thick eugeosynclinal suite of interlayered metasedimentary and metavolcanic rocks comprising the Halaban Formation,...
Geology and mineral deposits of the Jabal ash Shumta quadrangle, Kingdom of Saudi Arabia
C. L. Hummel, Abdullah O. Ankary
1972, Open-File Report 72-177
Rocks, structures, and mineral deposits which are the result of both the older Halaban petro-tectonic cycle and the younker Najd Wrench Fault deformation are present in the Ash Shumta area. Northward-trending belts of granitic rocks and folded, layered metavolcanic and metasedimentary rocks of the Halaban Formation which they intrude represent...