RT Journal Article SR Electronic T1 The Deerfield dike and its minerals [Massachusetts] JF American Journal of Science JO Am J Sci FD American Journal of Science SP 195 OP 202 DO 10.2475/ajs.s3-24.141.195 VO s3-24 IS 141 A1 Emerson, Benjamin Kendall YR 1882 UL http://www.ajsonline.org/content/s3-24/141/195.abstract AB