Class of ship developed further by the Monitor.
There were 20 ships of this class, including the USS Casco.
Other names were:
USS Chimo, Cohoes, Etlah, Klamath, Koka, Modoc, Napa, Naubuc, Nausett, Shawnee, Shiloh, Squando, Suncook, Tunxis, Umpqua, Wassuc, Waxsaw, Yazoo, Yuma.
Length of the model approx. 5,8cm
