RT Journal Article SR Electronic T1 On an occurrence of copper in western Idaho JF American Journal of Science JO Am J Sci FD American Journal of Science SP 298 OP 300 DO 10.2475/ajs.s3-50.298.298 VO s3-50 IS 298 A1 Packard, Robert Lawrence YR 1895 UL http://www.ajsonline.org/content/s3-50/298/298.abstract AB