Suggested Topics within your search.
Suggested Topics within your search.
- Hydraulic mining
- Mines and mineral resources 96
- Rivers, creeks, streams, etc 80
- Mine wastes 76
- Navigation improvements 72
- Financial statements 68
- Waste disposal in rivers, lakes, etc 68
- Federal receipts and expenditures 66
- Harbors and ports 62
- Construction 58
- Dams 56
- Hydrographic surveying 56
- Canals 55
- Waterworks 54
- Snags and snagging 53
- Budgets and appropriations 49
- Engineering 45
- Levees 45
- Flood control 41
- Bridges 39
- Aqueducts 36
- Dredging 34
- Gold mines and mining 34
- Channels (Hydraulic engineering) 31
- Locks (Hydraulic engineering) 30
- Monuments and memorials 29
- Reservoirs 28
- Public buildings 27
- Waste disposal in the ocean 27
- Roads and highways 24
-
1
Report of the Chief of Engineers, U.S. Army, 1936. In two parts. Part 1.
Published 1937Online Access
Government Document Electronic eBook -
2
Hydraulic mining in California. March 31, 1892. -- Committed to the Committee of the Whole House on the State of the Union and ordered to be printed.
Published 1892Online Access
Government Document Electronic eBook -
3
-
4
Monazite placers in the southeastern Atlantic States /
Published 1975Online Access
Online Access
Government Document eBook -
5
Regional baseline geochemistry and environmental effects of gold placer mining operations on the Fortymile River, eastern Alaska
Published 1999Government Document Microfilm Book -
6
-
7
-
8
In the Senate of the United States. Letter from the Secretary of War, submitting statement of amount that can profitably be expended during the fiscal year 1893 for investigating m...
Published 1892Online Access
Government Document Electronic eBook -
9
In the Senate of the United States. February 23, 1892. -- Referred to the Committee on Commerce and ordered to be printed. Mr. Felton presented the following memorial of miners and...
Published 1892Online Access
Government Document Electronic eBook -
10
-
11
-
12
-
13
-
14
-
15
The geographical impact of placer mining in the American West - 1848-1974 /
Published 1978Thesis Book -
16
Hydraulic-mining débris in the Sierra Nevada /
Published 1917Online Access
Government Document eBook -
17
Beaver Creek placer mining : final cumulative : environmental impact statement.
Published 1988Government Document Book -
18
-
19
Studies of suction dredge gold-placer mining operations along the Fortymile River, eastern Alaska.
Published 1997Connect to online resource
Government Document Book -
20