Correspondence : Big Horn-Powder River Corporation.
- SCA223-GA210-1-3
- File
- 1953-1967
Part of Ivan W. Keffer fonds.
File consists of material relating to the Big Horn-Powder River Corporation, Oil and Gas Producer (Denver, CO), a company in which Keffer held shares. Includes incoming and outgoing correspondence, reports to shareholders, investment statements and a manuscript note.
Keffer, Ivan Wilbur