Author: | Goddard, Edwin N. |
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Year: | 1942 |
Document Type: | N/A |
SUDOC: | I 19.3:931-O |
Series: | Strategic minerals investigations |
Report Number: | USGS Bulletin 931-O |
Subjects: | Mines and mineral resources. |
Mines and mineral resources -- Colorado. | |
Nickel ores. | |
Nickel ores -- Colorado -- Boulder County. | |
Link: | https://digital.library.unt.edu/ark:/67531/metadc1036534/ |