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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...