Senders: Clearfield Bituminous Coal
- George J. Magee for Clearfield Bituminous Coal to SLC, 17 February 1887 · Corning, N.Y. · UCLC43166 CU-MARK
- William D. Kelly for Clearfield Bituminous Coal to Franklin G. Whitmore and SLC, 28 February 1887 · Elmira, N.Y. · UCLC43208 CU-MARK
- William D. Kelly for Clearfield Bituminous Coal Corporation to SLC, 1 April 1891 · Philadelphia, Pa. · UCLC45500 CU-MARK
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