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Method and Cost of Dredging Sand and Gravel by the Ohio River Sand Co., Louisville, Kentucky
| Author: | Duffy, J. Hamilton |
|---|---|
| Year: | 1931 |
| Document Type: | N/A |
| SUDOC: | C 22.11:6421 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 6421 |
| Subjects: | Sand and gravel mines and mining -- Kentucky. |
| Dredging -- Kentucky. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67003/ |
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