Natural gamma aeroradioactivity map of the Pittsburgh area, Pennsylvania, Ohio, West Virginia, and Maryland
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This map publication is one of several in a series concerning various aspects of the ground-water hydrology of the Great Basin in Nevada, Utah, and adjacent States. One report in the series describes the hydrogeologic framework of the Great Basin (Plume and Carlton, 1988). Another shows the ground-water levels for the aquifer systems of the Great Basin (Thomas and others, 1986). A third report in the series describes the regional ground-water flow patterns in the Great Basin (Harrill and others, 1988).
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