RT Journal Article SR Electronic T1 An apparent time break between the Eocene and Chattahoochee Miocene in southwestern Georgia JF American Journal of Science JO Am J Sci FD American Journal of Science SP 445 OP 447 DO 10.2475/ajs.s3-46.276.445 VO s3-46 IS 276 A1 Raphael Pumpelly YR 1893 UL http://www.ajsonline.org/content/s3-46/276/445.abstract AB