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Minerals of Colorado: A 100-Year Record
| Author: | Eckel, Edwin Butt |
|---|---|
| Year: | 1961 |
| Document Type: | N/A |
| SUDOC: | I 19.3:1114 |
| Series: | Geological Survey bulletin |
| Report Number: | USGS bulletin 1114 |
| Subject: | Mineralogy -- Colorado. |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc958017/ |
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