PT  - JOURNAL ARTICLE
AU  - Pumpelly, Raphael
TI  - United States Geological Survey of the Fortieth Parallel, vol. I (review)
AID  - 10.2475/ajs.s3-17.100.296
DP  - 1879 Apr 01
TA  - American Journal of Science
PG  - 296--302
VI  - s3-17
IP  - 100
4099  - http://www.ajsonline.org/content/s3-17/100/296.short
4100  - http://www.ajsonline.org/content/s3-17/100/296.full
SO  - Am J Sci1879 Apr 01; s3-17