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Mineral investigations in the Jabal Radwa quadrangle, northwest Hijaz, Saudi Arabia
Robert Francis Johnson, Virgil A. Trent
1968, Open-File Report 68-148
Wadi sediments in the Jabal Radwa quadrangle in the Northwest Hijaz were sampled for trace element analysis as part of a mineral reconnaissance of Western Saudi Arabia that is being made by the Ministry of Petroleum and Mineral Resources and the U.S. Geological Survey. The Jabal Radwa quadrangle lies between...
Determination of discharge during pulsating flow
T. H. Thompson
1968, Water Supply Paper 1869-D
Pulsating flow in an open channel is a manifestation of unstable-flow conditions in which a series of translatory waves of perceptible magnitude develops and moves rapidly downstream. Pulsating flow is a matter of concern in the design and operation of steep-gradient channels. If it should occur at high stages in...
Geology, hydrology, and geochemistry of the Black Creek watershed near Mocanaqua, Luzerne County, Pennsylvania
Thomas Gwyn Newport, Harry E. Koester, Marion Joseph Bergin
1968, Open-File Report 71-343
The Black Creek watershed is in the southwestern end of the Northern Anthracite field in Luzerne County, northeastern Pennsylvania. The study of the watershed described in this report is designated as Project No. 2 in the Joint Federal-State Acid Mine Drainage Pollution Control Demonstration Program. The area studied encompasses the...