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Publication Extents

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Bentonite deposits in marine Cretaceous formations, Hardin district, Montana and Wyoming
Maxwell M. Knechtel, Sam H. Patterson
1956, Bulletin 1023
The bentonite deposits described in this report, which are roughly and tentatively estimated to include a minable reserve of 110 million short tons of montmorillonitic clay, are shown on a geologic map covering approximately 1,280 square miles, mostly in the Crow Indian Reservation, Big Horn County, Mont., but extending a...
Geology of southeastern Ventura Basin, Los Angeles County, California
Edward L. Winterer
1956, Open-File Report 56-134
The Ventura Basin (see index map, fig. 1) has long been one of the important oil-producing districts of California. The eastern part of the Basin includes some of the oldest oil fields in the state and also several of those most recently discovered. Since 1937 several new fields have been...
Relationship of sediment discharge to streamflow
B. R. Colby
1956, Open-File Report 56-27
The relationship between rate of sediment discharge and rate of water discharge at a cross section of a stream is frequently expressed by an average curve. This curve is the sediment rating curve. It has been widely used in the computation of average sediment discharge from water discharge for periods...