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WSP08677
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Last modified
1/26/2010 2:49:12 PM
Creation date
10/12/2006 3:09:41 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8102
Description
Arkansas River Basin Basic Hydrology
State
CO
Basin
Arkansas
Water Division
2
Date
11/6/1965
Author
J E Moore L A Wood
Title
Analog Model Evaluation of the Arkansas River Valley in Eastern Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />0:2232 <br /> <br />Moore and Wood- 8 <br />Oral - GSA <br /> <br />. <br /> <br />The relation of the valley fill to the bedrock is <br /> <br /> <br />shown on this idealized north-south cross section of the <br /> <br />v <br /> <br />valley. The permeability of the valley fill is as many <br />times that of the bedrock, and, therefore. the bedrock <br /> <br />acts as a barrier to the downward movement of water. <br /> <br />Wells tapping the valley-fill aquifer yield as much as <br /> <br /> <br />3,000 gallons per minute but the average yield is about <br /> <br /> <br />600 gallons per minute. <br /> <br /> <br />Well data were collected to define the physical <br /> <br /> <br />character of the aquifer. Where there were no wells <br /> <br />or.where data were lacking, test holes were augered. <br /> <br /> <br />. Observation wells were installed in places where <br /> <br /> <br />additional water-table control was needed. Water-table, <br /> <br /> <br />bedrock-contour, saturated-thickness, and depth-to-water <br /> <br /> <br />maps were constructed from the field data. In addition, <br /> <br /> <br />pumping tests were made to determine the transmissibility, <br /> <br /> <br />and specific yield of the aquifer. <br /> <br />. <br />
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