Deposits of Chromite in California, Oregon, Washington, and Montana (Department of the Interior, United States Geological Survey, Bulletin 725-A)
Washington, D.C. Government Printing Office, 1921. Stapled Binding.
Lacks wrappers. Minor tear and crease to title page and page 84.
84 pp. Includes black-and-white plates and illustrations. Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. It can be represented by the chemical formula of.....