PT  - JOURNAL ARTICLE
AU  - Walcott, Charles Doolittle
TI  - The Permian and other Paleozoic groups of the Kanab Valley, Arizona
AID  - 10.2475/ajs.s3-20.117.221
DP  - 1880 Sep 01
TA  - American Journal of Science
PG  - 221--225
VI  - s3-20
IP  - 117
4099  - http://www.ajsonline.org/content/s3-20/117/221.short
4100  - http://www.ajsonline.org/content/s3-20/117/221.full
SO  - Am J Sci1880 Sep 01; s3-20