cover off the south shore of alameda california in san francisco bay our new 30 inch hydraulic dredge franciscan has recently transformed 400 acres of submerged tidelands into valuable real eslate suitable for commercial and residential development here the dredge is shown in the latter stages of that project pumping sand from the borrow area approxi mately 2 miles to the newly created shoreline on the north fork of the feather river in the sierra nevada mountains 26 miles northwest of oroville california a joint venture in which utah is 60 per cent sponsor is driving a seven mile water diversion tunnel through solid rock to the powerhouse site for pacific gas & electric company in con nection with its vast poe power hydroelectric project this view shows our mucking equipment and operating personnel at work on tunnel driving operations the tunnel construction is a major portion of the 35,000,000 project tjt.a.:h construction company report 1956