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A Method for Estimating Ground-Water Return Flow to the Lower Colorado River in the Yuma Area, Arizona and California--Executive Summary
Purpose and scope: The purpose of this study was to develop a method for estimating the amount of subsurface return flow to the Colorado River in the Yuma area. This report presents a method that will permit an accounting of ground-water return flows from each side of the Colorado River in the Yuma reach. The estimates of return flow can be used by water-management agencies in determining return-flow credits for the States of Arizona and California.
Date:
December 1983
Creator:
Loeltz, O. J. & Leake, S. A.
System:
The UNT Digital Library
Reconnaissance Study of Stream Sedimentation, Southern Guam
From purpose and scope: The purpose of this study is to determine the mean annual sediment yields from these three major river basins in the area, for use in future water supply development.
Date:
December 1983
Creator:
Shade, Patricia J.
System:
The UNT Digital Library
Potential Effects of Surface Coal Mining on the Hydrology of the Bloomfield Coal Tract, Dawson County, Eastern Montana
From purpose and scope: The purpose of this study was to describe existing hydrologic systems, to obtain data on the water quality in the area, and to assess potential impacts of surface coal mining on local water resources.
Date:
December 1983
Creator:
Cannon, M. R.
System:
The UNT Digital Library
A Method for Estimating Ground-Water Return Flow to the Lower Colorado River in the Yuma Area, Arizona and California
Purpose and scope: The purpose of this study was to develop a method for estimating the amount of subsurface return flow to the Colorado River in the Yuma area. This report presents a method that permits an approximate accounting of ground-water return flow from each side of the Colorado River in Yuma reach. The method presented in this report was developed specifically for application in the Yuma area. The validity of the assumptions inherent in the method was evaluated on the basis of the local hydrologic system. The applicability of the method to other hydrologic systems is not addressed in this report.
Date:
December 1983
Creator:
Loeltz, O. J. & Leake, S. A.
System:
The UNT Digital Library
Fluvial Sedimentation in Kentucky
From abstract: This report, covering periods 1942-45 and 1951-81, documents the characteristics of sediment being transported from 79 drainage areas within the Commonwealth of Kentucky, and at eight stations on the main stem of the Ohio River.
Date:
December 1983
Creator:
Flint, Russell F.
System:
The UNT Digital Library
Water Resources of the Fort Union Coal Region, East-Central Montana
From purpose and scope: The purpose of this report is to describe the existing hydrologic and water-quality conditions of the shallow ground-water system above the Bearpaw Shale and to describe the surface-water resources in the Fort Union coal region of east-central Montana. The objective of this study was to provide premining data that would be useful for water-resources planning.
Date:
December 1983
Creator:
Slagle, Steven E.
System:
The UNT Digital Library
Statistical Analysis and Evaluation of Water-Quality Data for Selected Streams in the Coal Area of East-Central Montana
From purpose and scope: The purpose of this report is to summarize and evaluate water-quality data acquired from streams within the study area from October 1975 through September 1981. This report updates data collected at 9 stations during the initial study and provides new data for 14 stations.
Date:
December 1983
Creator:
Lambing, John H.
System:
The UNT Digital Library