RT Journal Article SR Electronic T1 A sodalite syenite and other rocks from Montana JF American Journal of Science JO Am J Sci FD American Journal of Science SP 286 OP 297 DO 10.2475/ajs.s3-45.268.286 VO s3-45 IS 268 A1 Waldemar Lindgren YR 1893 UL http://www.ajsonline.org/content/s3-45/268/286.abstract AB