Henry Blake Hays
Henry Blake Hays was a leader of the coal industry in Allegheny County, Pennsylvania.
Personal facts
| Birth date | August 12, 1829 |
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| Date of death | August 10, 1881 |
Henry Blake Hays was a leader of the coal industry in Allegheny County, Pennsylvania.
| Birth date | August 12, 1829 |
|---|---|
| Date of death | August 10, 1881 |