RT Journal Article SR Electronic T1 An auriferous conglomerate of Jurassic age from the Sierra Nevada JF American Journal of Science JO Am J Sci FD American Journal of Science SP 275 OP 280 DO 10.2475/ajs.s3-48.286.275 VO s3-48 IS 286 A1 Waldemar Lindgren YR 1894 UL http://www.ajsonline.org/content/s3-48/286/275.abstract AB