Copyright © 1979 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
Gibson, Michael D. "The Beaver Men: Spearheads of Empire/The Buffalo Hunters: the Story of the Hide Men/The Cattlemen: From the Rio Grande Across the Far Marias." The Annals of Iowa 44 (1979), 576-576.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol44/iss7/21