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Soil Investigations for Data Collection in the Delta Initial Study/Proposed Mitigated Negative Declaration 168 3.12 Mineral Resources ENVIRONMENTAL ISSUES Potentially Significant Impact Less Than Significant with Mitigation Incorporated Less Than Significant Impact No Impact a) Result in the loss of availability of a known mineral resource that would be of value to the region and the residents of the state? b) Result in the loss of availability of a locally important mineral resource recovery site delineated on a local general plan, specific plan, or other land use plan? 3.12.1 Environmental Setting In order to protect valuable mineral resources, present in California, State Legislature adopted the Surface Mining and Reclamation Act (SMARA). This Act implements the “classification-designation” process that is intended to inform local agencies of mineral resource significance, their locations within County jurisdiction and to potentially aide in local land-use decisions. The Proposed Project footprint extends through six counties, general plans from these counties were used to determine mineral resource locations and correlated policies under local agency jurisdiction. The Yolo, Sacramento and San Joaquin County General Plans indicate no known mineral resource deposits within Proposed Project Impact Areas of the three counties; however, there is potential overlap with natural gas fields. The proposed soil investigation locations may also overlap with mineral deposits in Solano County; however, limited available data makes the mineral resource significance unknown. Review of the Contra Costa and Alameda County General Plans indicates that locations of proposed soil investigations would be outside areas of known mineral resource deposits or natural gas fields in these counties.