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The original publication is: Schwochow, S.D., Inventory of Nonmetallic Mining and Processing Operations in Colorado, Colorado Geological Survey Map Series 17, 39 pp, 17 Plates, http://coloradogeologicalsurvey.org/. The shapefiles included here were published in the digital version of the original publication published as: Keller, J.W., Phillips, R.C., and Morgan, K., 2002, Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado, Colorado Geological Survey Information Series 62. Some of the field aliases were updated with more descriptive names.\n\nANY DATA OR INFORMATION PROVIDED HERE IS PROVIDED \"AS IS\" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Data or information provided here shall be used and replied upon only at the user's sole risk, and the user agrees to indemnify and hold harmless the entities who provided the data and any other parties, its officials, officers and employees from any liability arising out of the user of the data/information provided. No warranty expressed or implied is made regarding the display or utility of the data, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. 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