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Grand Canyon 1° x 2° NTMS area, Arizona: Data Report

Description: From abstract: This data report presents results of ground water and stream/surface sediment reconnaissance in the National Topographic Map Series (NTMS) Grand Canyon 10 x 20 quadrangle. Surface samples (sediment) were collected from 1013 sites.
Date: June 1980
Creator: Koller, G. R.
Partner: UNT Libraries Government Documents Department
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