RT Journal Article SR Electronic T1 A contribution to the geology of Rhode Island JF American Journal of Science JO Am J Sci FD American Journal of Science SP 282 OP 291 DO 10.2475/ajs.s3-27.160.282 VO s3-27 IS 160 A1 T. N. Dale YR 1884 UL http://www.ajsonline.org/content/s3-27/160/282.abstract AB