RT Journal Article SR Electronic T1 Notes on the analysis of bituminous coal JF American Journal of Science JO Am J Sci FD American Journal of Science SP 286 OP 288 DO 10.2475/ajs.s3-14.82.286 VO s3-14 IS 82 A1 Sloane, T. O'C. YR 1877 UL http://www.ajsonline.org/content/s3-14/82/286.abstract AB Sylvanite from Grand View Mine, Boulder County