One of at least 14 stone sloops employed in building the Rockland, Maine breakwater.

One of at least 14 stone sloops employed in building the Rockland, Maine breakwater.

One of at least 14 stone sloops employed in building the Rockland, Maine breakwater. Note on reverse says 3 of these were YANKEE GIRL, H.W.G. EDWARDS and M.M. HAMILTON, but does not id ship in photo.