PT  - JOURNAL ARTICLE
AU  - Upham, Warren
TI  - The Minnesota Valley in the ice age
AID  - 10.2475/ajs.s3-27.157.34
DP  - 1884 Jan 01
TA  - American Journal of Science
PG  - 34--42
VI  - s3-27
IP  - 157
4099  - http://www.ajsonline.org/content/s3-27/157/34.short
4100  - http://www.ajsonline.org/content/s3-27/157/34.full
SO  - Am J Sci1884 Jan 01; s3-27