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4-16a <br />to be about 1,000 square feet per day and the average aquifer <br />width to be about 400 feet, ground water flow through the alluvial <br />sediments in the East Salt Creek should be about 40 gpm (64 acre- <br />feet per year (ac-ft/yr)). The approximate estimate of the flow <br />through the alluvial aquifer was based upon estimated permeability <br />(k=25ft/day), hydraulic gradient obtained from existing monitor- <br />ing wells (i=0.0015 ft/ft), average width of alluvial valley <br />(1 = 400 ft) and estimated saturated thickness of alluvium (m = <br />40 to 60 ft). Calculated flow is between 31.5 and 39.5 gpm. <br />Bedrock Aquifers <br />Within the Mesaverde Formation as exposed in the study area, <br />there are no known major aquifers with substantial iy gilds of <br />• ground water as can be determined from the absence of seeps <br />and springs. <br />• <br />