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Publication Extents

Not all publications have extents, not all extents are completely accurate
Structure-contour map of the Olive Hill Clay Bed in northeastern Kentucky
John W. Hosterman
1963, Miscellaneous Field Studies Map 261
The gently dipping Olive Hill Clay Bed of Crider (1913) crops out in belt about 15 miles \vidc and 60 miles long from the Ohio River near Portsmouth, Ohio, south-southwesterly to Frenchburg, Ky. (see inset map).The purpose of the structure-contour map presented here is to aid exploration by showing the...
Exploration for uranium-vanadium deposits by U.S. Geological Survey 1948-56 in western Disappointment Valley area, Slick Rock district, San Miguel County, Colorado
William B. Rogers, Daniel R. Shawe
1962, Miscellaneous Field Studies Map 241
The western Disappointment Valley area is in San Miguel County, Colo., in the northeastern part of the Slick Rock district, (see location map).  It covers an area of approximately 50 square miles in Tps. 43 and 44 N., Rs. 17, 18, and 19 W., New Mexico principal meridian.  The mining...