Colonel[1] James D. Stevenson (December 24, 1840 – July 25, 1888) was an executive officer of the U.S. Geological Survey and a self-taught ethnologist, anthropologist, geologist, and naturalist.[2] His geological surveys included Colorado, Idaho, Wyoming and Utah.[3] He collected extensively among the Zuni and Hopi, and also documented the Ute and Arapaho people.