RT Journal Article SR Electronic T1 Notes on the West Virginia asphaltum deposit JF American Journal of Science JO Am J Sci FD American Journal of Science SP 409 OP 416 DO 10.2475/ajs.s3-6.36.409 VO s3-6 IS 36 A1 William Morris Fontaine YR 1873 UL http://www.ajsonline.org/content/s3-6/36/409.abstract AB