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Subject
- Financial statements461
- Federal receipts and expenditures454
- Navigation improvements338
- United States. War Dept. Engineer Dept337
- Rivers, creeks, streams, etc306
- Harbors and ports300
- Hydrographic surveying271
- United States. Army. Corps of Engineers242
- Construction201
- State of the Union198
- Canals196
- Snags and snagging175
- Channels (Hydraulic engineering)158
- Dams157
- Dredging153
- Government contractors141
- Defense budgets and appropriations130
- Budgets and appropriations126
- Locks (Hydraulic engineering)126
- Engineering112