Rex Developing Company.
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| referencedIn | Massey, Ben E. Report for the Rex Developing Company on their properties in the Central City-Blackhawk Mining District : with a statement concerning the property by W.M. Mikesell and assay sheets : Gilpin County / by Ben E. Massey. | Colorado School of Mines, Arthur Lakes Library |
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| associatedWith | Massey, Ben E. | person |
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