Skip to search
Skip to main content
- Hydrographic surveying✖[remove]4,585
- Navigation improvements4,087
- Rivers, creeks, streams, etc2,780
- Cost2,538
- Channels (Hydraulic engineering)2,331
- Dredging1,891
- Harbors and ports1,632
- Dams542
- Flood control477
- Snags and snagging446
- Sand bars and shoals427
- Canals409
- Locks (Hydraulic engineering)404
- Construction398
- Piers364
- Breakwaters262
- Water levels257
- Financial statements211
- United States. War Department. Engineer Dept209
- Lakes208