Unidentified Coast Guard ship

Photograph showing an unidentified ship, possibly in the St. Mary's River. On back of photo, it is listed as a "Coast Guard" ship.
Abstract/Description: Photograph showing an unidentified ship, possibly in the St. Mary's River. On back of photo, it is listed as a "Coast Guard" ship.
Subject(s): Boats and boating
Soo Locks (Mich.)
Date Created: 1910 (approximate)