RT Journal Article SR Electronic T1 Notes on the surface geology of southern Oregon JF American Journal of Science JO Am J Sci FD American Journal of Science SP 475 OP 483 DO 10.2475/ajs.s3-35.210.475 VO s3-35 IS 210 A1 H. J. Biddle YR 1888 UL http://www.ajsonline.org/content/s3-35/210/475.abstract AB