Dredge

| View Cart ⇗ | Info

Dredging, the excavating or scooping out of soil, mud, sand or rock under water by a machine called a dredge. Dredging is used in deepening and widening the beds of rivers, canals, harbors. The forms of modern dredges are very numerous, different conditions requiring different forms.

Source

Chandler B. Beach The New Student's Reference Work for Teachers Students and Families (Chicago, IL: F. E. Compton and Company, 1909)

Downloads

TIFF (full resolution)

2400×1575, 1.0 MiB

Large GIF

1024×672, 158.9 KiB

Medium GIF

640×420, 84.4 KiB

Small GIF

320×210, 29.5 KiB