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Soapstone deposits of the Sherwan area, Hazara District, Pakistan
James Alfred Calkins, Terry W. Offield, S. Tayyab Ali
1973, Open-File Report 73-41
The soapstone deposits in the Sherwan area, Hazara District, are mostly in a narrow 10 mile zone in the dolomite unit of the Abbottabad Formation of probable Carboniferous age. Most of the deposits are at the eastern end on the northern flank of a syncline. Soapstone forms irregular replacement bodies...
Index to water-quality data available from the U.S. Geological Survey in machine-readable form to December 31, 1972: Southeastern Region
Charles R. Showen, Owen O. Williams
1973, Water-Resources Investigations Report 73-22
This report lists water quality stations operated by the Geological Survey for what data are available in machine-readable form. The data are the results of analyses of water samples and indicate the chemical and physical characteristics of surface and ground water. The stations are listed according to station number within each State. The water...
Relation of channel slope to reaeration of Michigan streams
T. Ray Cummings
1973, Open-File Report 73-54
Reaeration coefficients (k2), which are rate constants for the process of oxygen absorption from the atmosphere, have been computed for Michigan's streams using an equation developed by Bennett and Rathbun (1972). Mean velocity and mean depth data, which are necessary for the computation, have been extracted from discharge measurements made...
An evaluation of water-quality data obtained at four streamflow daily-record stations in Idaho
Kenneth L. Dyer
1973, Water-Resources Investigations Report 73-30
Chemical data for four stream-gaging stations in Idaho, each having 6 to 22 years of available records, were analyzed to determine functional relations between concentrations of the major inorganic constituents, specific conductance, and stream discharge. Three of the four stations had sufficient available record for assessing changes in constituent relations...