Figure 50. Diagram of the relative position of the Vessel, the Weights, and the Dredge, in dredging in deep water.Library Call Number GC75 .T48 2nd ed. 1874.
4/4/2019 1:15:00 PM
Photographer: Archival Photography by Steve Nicklas
Affiliation: NOS
Subject: Historical Ships
Subject: Oceanography