Ground-water investigation at the alluvial fan of the South Fork River, Anchorage, Alaska: results of test drilling, 1976

Dearborn, Larry L.

Abstract:

In late 1976, at Anchorage, Alaska, a ground-water exploration well was drilled to a depth of 487 feet on the South Fork Eagle River fan near the confluence with the mainstream. The well penetrated four sand and gravel strata of low water-yielding capacity and extended 37 ft into metamorphic bedrock. Earth water-bearing stratum was pumped for several hours, and the best aquifer yield was found to be 1.7 gal/min/ft of drawdown. These test results support the conclusion, previously inferred from drilling data at a nearby test hole drilled in 1973, that there are no confined aquifers of large yield in the subsurface at this locality. (Woodard-USGS)

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USGS Numbered Series

ProdID:

8534

Citation Author:

Dearborn, Larry L.

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ENGLISH

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i, 9 p. :fold. ill., map ;27 cm.; (14 p., 1 sheet - PGS)

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U.S. Geological Survey,

Citation Series:

Open-File Report

Citation Series Code:

OFR

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77-493

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Ground-water investigation at the alluvial fan of the South Fork River, Anchorage, Alaska: results of test drilling, 1976; 1977; OFR; 77-493; Dearborn, Larry L.

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1977

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citation/reference

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Ground-water investigation at the alluvial fan of the South Fork River, Anchorage, Alaska: results of test drilling, 1976; 1977; OFR; 77-493; Dearborn, Larry L.