This material is available for free in digital format (PDF; Portable Document File) by contacting the Tennessee Geological Survey, Knoxville Field Office at 865-594-6035. There is no online reference. Scan file name is TDOL_40_02983_A
Daus Quadrangle; Higgins Coal No 62 Mine Map; Version 1
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North American Datum 1983 coordinates of centroid for bounding box -85.5,35.375,-85.375,35.375,-85.375,35.25,-85.5,35.25; Sequatchie, Grundy, Marion Counties