Published by The Geological Society of America., 1955
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Good. ORIGINAL 1955 Reprint/Offprint of journal article; includes the folded map (complete for this publication); no covers; small chips along gutter where disbound from collected reprints volume; o/w in good condition. Journal.