SS President Coolidge motors ranged from a tenth horsepower to the 13,250 horsepower main motors. The ship had refrigerated cargo space. "President Coolidge" was initially designed for 350 first class, 150 "special" or intermediate class passengers with space for 1,260 passengers of all classes and a crew of 300. The ship was launched on 21 February 1931 after Mrs. Calvin C. Coolidge broke a bottle of water that came from a brook on the Coolidge farm in Vermont on the bow. "President Hoover" and "President Coolidge" ran between San Francisco and Manila via Kobe and Shanghai, and some round the World voyages that
Calvin Coolidge State Forest hardwood and often steep, and are actively managed for timber. The West section features many hiking trails, including the Shrewsbury Peak Trail, Tinker Brook Trail, Bucklin Trail and portions of the Long Trail and Appalachian Trail. There are trails for snowmobiling and cross-country skiing, as well as snowshoeing. Hunting, fishing and trapping occurs in this section. The West section of Calvin Coolidge State Forest is located along the Green Mountains ridgeline and features many high forested mountain peaks, including Killington Peak, Little Killington, Shrewsbury, Saltash, Mendon and Smith peaks. There are three designated Vermont State Natural Areas – Tinker Brook