Seminoe Dam - Leo WY Casper-Alcova Project, Wyoming - The Casper-Alcova Project is being developed initially to irrigate 35,000 acres of land in the vicinity of Casper Wyoming. The more important features are the Seminoe Dam and power plant, the Alcova Dam and the canal system. The revenues from the power plant are expected to repay a large portion of the cost of the project. the Seminoe Dam is of the concrete arch type, with a volume of about 161,000 cubic yards and a maximum height of 161 feet. The storage capacity of the reservoir will be 1,000,000 acre feet. The Alcova Dam on the...