Author: | Sheridan, Matthew J. |
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Year: | 1967 |
Document Type: | USBI |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | i 28.27:8320 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 8320 |
Subjects: | Aggregates (Building materials) |
Mineral industries--Colorado | |
Link: | https://hdl.handle.net/2027/mdp.39015078514562 |