PT - JOURNAL ARTICLE AU - George Montague Wheeler TI - Geographical and geological explorations and surveys west of the 100th meridian AID - 10.2475/ajs.s3-7.40.388 DP - 1874 Apr 01 TA - American Journal of Science PG - 388--391 VI - s3-7 IP - 40 4099 - http://www.ajsonline.org/content/s3-7/40/388.short 4100 - http://www.ajsonline.org/content/s3-7/40/388.full SO - Am J Sci1874 Apr 01; s3-7