PT  - JOURNAL ARTICLE
AU  - W. Upham
TI  - The Minnesota Valley in the Ice Age
AID  - 10.2475/ajs.s3-27.158.104
DP  - 1884 Feb 01
TA  - American Journal of Science
PG  - 104--111
VI  - s3-27
IP  - 158
4099  - http://www.ajsonline.org/content/s3-27/158/104.short
4100  - http://www.ajsonline.org/content/s3-27/158/104.full
SO  - Am J Sci1884 Feb 01; s3-27