This point shapefile contains locations of active, historic, and inactive mines as within Monterey County, California. Data from the mines database at the California Department of Conservation, Division of Mines and Geology were extracted for use in the Monterey County 21st Century General Plan Update Program. This layer is part of a collection describing Geology resources and constraints Monterey County, California. These data are kept by the Division of Mines and Geology to help track mining activities in the state. They are used in Monterey County for identifying sites of current and historical mining to aid in natural resource evaluation and planning. Rosenberg, Lewis I. (2001). Mines of Monterey County, California, 1997. Monterey County (Calif.) Planning Department. Available at: http://purl.stanford.edu/bn923rx4174. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.