RT Journal Article SR Electronic T1 Recent explorations in the Wappinger Valley limestones and other formations of Dutchess County, New York JF American Journal of Science JO Am J Sci FD American Journal of Science SP 139 OP 153 DO 10.2475/ajs.s3-38.224.139 VO s3-38 IS 224 A1 William Buck Dwight YR 1889 UL http://www.ajsonline.org/content/s3-38/224/139.abstract AB