RT Journal Article SR Electronic T1 The Harrisburg terraces [Pennsylvania] JF American Journal of Science JO Am J Sci FD American Journal of Science SP 98 OP 99 DO 10.2475/ajs.s3-47.278.98 VO s3-47 IS 278 A1 Harvey B. Bashore YR 1894 UL http://www.ajsonline.org/content/s3-47/278/98.abstract AB