Spanski, G. T. (2004). Inventory of significant mineral deposit occurrences in the Headwaters Project area in Idaho, western Montana, and extreme eastern Oregon and Washington (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationSpanski, G. T. Inventory of Significant Mineral Deposit Occurrences in the Headwaters Project Area in Idaho, Western Montana, and Extreme Eastern Oregon and Washington. Version 1.0. [Denver, Colo.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.
MLA (9th ed.) CitationSpanski, G. T. Inventory of Significant Mineral Deposit Occurrences in the Headwaters Project Area in Idaho, Western Montana, and Extreme Eastern Oregon and Washington. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2004.