RT Journal Article SR Electronic T1 On Lower Silurian fossils from a limestone of the original Taconic of Emmons JF American Journal of Science JO Am J Sci FD American Journal of Science SP 241 OP 248 DO 10.2475/ajs.s3-31.184.241 VO s3-31 IS 184 A1 Dana, James Dwight YR 1886 UL http://www.ajsonline.org/content/s3-31/184/241.abstract AB