PT - JOURNAL ARTICLE AU - George Ferdinand Becker TI - Cretaceous metamorphic rocks of California AID - 10.2475/ajs.s3-31.185.348 DP - 1886 May 01 TA - American Journal of Science PG - 348--357 VI - s3-31 IP - 185 4099 - http://www.ajsonline.org/content/s3-31/185/348.short 4100 - http://www.ajsonline.org/content/s3-31/185/348.full SO - Am J Sci1886 May 01; s3-31