RT Journal Article SR Electronic T1 Rocky Mountain protaxis and the post-Cretaceous mountain-making along its course JF American Journal of Science JO Am J Sci FD American Journal of Science SP 181 OP 196 DO 10.2475/ajs.s3-40.237.181 VO s3-40 IS 237 A1 James Dwight Dana YR 1890 UL http://www.ajsonline.org/content/s3-40/237/181.abstract AB