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would be impacted by the access road. If delta button celery is identified in this area, mitigation shall be provided as designated by the USFWS. 8. A mitigation plan shall be developed and submitted to and approved by the County and the California Department of Fish and Game prior to construction which provides for development of wetland habitat to compensate for any of the freshwater marsh that would be impacted by the access road construction. This mitigation shall involve expansion of the existing freshwater marsh and provide for no net loss of wetlands. 9. To reduce the potential for impact to water quality and fisheries from bank erosion, bridge construction shall be conducted to minimize constriction of the channel and prevent a decrease in flood carrying capacity of the Mokelumne River. 10. To mitigate for the impact to riparian habitat along the route of the proposed access road and bridge, disturbed scrub, freshwater marsh north of the Mokelumne River, and grassland with scattered trees in the borrow area the , following mitigation shall be provided: On the north side of the Mokelumne River, a 100 foot buffer from the northern edge of the riparian corridor (as defined by the outer canopy edge of the Riparian Overstory) shall be developed to provide additional habitat and screen the riparian corridor from operations at the processing facility and future agricultural activity. This buffer shall extend the length of the area proposed for reclamation north of the river. This buffer shall include preservation of the freshwater marsh area. A revegetation plan utilizing native trees and shrubs shall be developed to provide effective screening from mining and agricultural activities, and enhance wildlife habitat within the buffer zone. This plan shall be prepared by a qualified biologist and submitted to the County for approval prior to project construction. At a minimum, the revegetation plan shall replace lost trees within the riparian corridor by planting trees within the buffer as follows: Replacement at a ratio of five to one shall be required for valley oaks and three to one for other native trees six inches or greater in diameter, measured at 4.5 feet above ground level. Replacement trees shall be one to five gallon trees with drip irrigation provided for a period of three years. 3.4 Transportation 3.4.1 Setting The major roadways in the project vicinity are State Routes 88, 12, and 99. State Route 88 is an important route extending from State Route 99 in Stockton to the Lake Tahoe region, going through Lockeford, Clements and Jackson. In the project 57