Published by USGS Miscellaneous Field Studies Map MF - 1074, 1979, Folded Sheet., 1979
Seller: Eryops Books, Stephenville, TX, U.S.A.
Large folded sheet (contains geologic map, description of units, and coal sections) in printed envelope; ex-corporate library; minor shelfwear w/ light creasing of sheet; o/w in good condition.