SS President Coolidge Newport News, Virginia built the two ships, completing "President Hoover" in 1930. The keel for "President Coolidge" was laid 22 April 1930 and the ship was delivered 1 October 1931. They were the largest merchant ships built in the United States up to that time. Each ship had turbo-electric transmission, with a pair of steam turbo generators generating current that powered propulsion motors on the propeller shafts. Westinghouse built the turbo generators and propulsion motors for "President Coolidge" but General Electric built the turbo generators and propulsion motors for "President Hoover". In the "President Coolidge" twelve Babcock & Wilcox superheater
Calvin Coolidge State Forest Calvin Coolidge State Forest Calvin Coolidge State Forest, also known as Coolidge State Forest, covers in two parts in Rutland and Windsor Counties in Vermont. The West portion cover in Killington, Mendon, Plymouth and Shrewsbury in both counties. The East portion cover in Bridgewater, Plymouth, Reading, and Woodstock in Windsor County. The forest is managed by the Vermont Department of Forests, Parks, and Recreation for timber resources, wildlife habitat, and recreational activities. Activities in the forest include camping, hiking, picnicking, fishing, hunting, trapping, snowshoeing, cross-country skiing and snowmobiling. Coolidge State Park in the East section in Plymouth is the most