The 40-foot (12 m) Truckee and 55-foot (17 m) propeller-driven Emerald were also towing log rafts in 1870.[55] J.A. Todman brought steam-powered passenger service to Lake Tahoe in 1872 with the 100-foot (30 m) 125-passenger side-wheel steamer Governor Stanford which reduced the mail delivery trip around Lake Tahoe to eight hours.[56] Todman expanded service with steamboats Mamie, Niagara, and Tod Goodwin.