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Progress report on Black Mesa monitoring program; 1977 Progress report on Black Mesa monitoring program; 1977

Monitoring activities of coal mine operations on Black Mesa were started in 1971 for the purpose of monitoring the effects of strip mining on the water resources of the area. Black Mesa is located in northeastern Arizona near the center of the Navajo Indian Reservation and is a prominent topographic high about 500 to 1,000 feet above the surrounding area. Monitoring on and near the mesa...
Authors
Water Resources Division U.S. Geological Survey

Annual summary of ground-water conditions in Arizona, spring 1976 to spring 1977 Annual summary of ground-water conditions in Arizona, spring 1976 to spring 1977

Two small-scale maps of Arizona show (1) pumpage of ground water by areas and (2) the status of the ground-water inventory in the State. The main map, which is at a scale of 1:500,000, shows potential well production, depth of water in selected wells in spring 1977, and change in water level in selected wells from 1972 to 1977. The brief text that accompanies the maps summarizes the...
Authors
H. M. Babcock

Annual summary of ground-water conditions in Arizona, spring 1975 to spring 1976 Annual summary of ground-water conditions in Arizona, spring 1975 to spring 1976

Two small-scale maps of Arizona show (1) pumpage of ground water by areas and (2) the status of the ground-water inventory in the State. A larger map of the State at a scale of 1:500,000 shows potential well production, depth to water in selected wells in spring 1976, and change in water level in selected wells from 1971 to 1976. The brief text that accompanies the maps summarizes the...
Authors
H. M. Babcock

Geohydrologic reconnaissance of the Imperial Valley, California Geohydrologic reconnaissance of the Imperial Valley, California

No abstract available.
Authors
Omar J. Loeltz, Burdge Irelan, J. H. Robison, F. H. Olmsted

Geohydrology of the Yuma area, Arizona and California Geohydrology of the Yuma area, Arizona and California

No abstract available.
Authors
F. H. Olmsted, Omar J. Loeltz, Burdge Irelan

Structural geology of the Quad-Wyoming-Line Creeks area, Beartooth Mountains, Montana Structural geology of the Quad-Wyoming-Line Creeks area, Beartooth Mountains, Montana

The Quad-Wyoming-Line Creeks area is in the northeastern part of the Beartooth Mountains of Montana. The rocks of the area consist mainly of banded migmatite, granitic gneisses, amphibolite, quartzite, and agmatite; small amounts of biotite schist and biotite gneiss, iron-silicate rocks, ultramafic rocks, mafic dikes, and felsic porphyries are also present. Quartzite outcrops...
Authors
Lawrence C. Rowan
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