Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Sand and Gravel Excavation: Part 3: Hydraulic Dredge, Clamshell Dredge, Ladder Dredge, and Dipper Dredge

Published Year

• 1930-1939 (1)

Subject

• Dredges. (1)
• Excavating machinery. (1)
• Gravel. (1) *
• Sand. (1)

Author

• Thoenen, J. R. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010