- 2.0 linear feet
- Grace Mine was an iron ore mine located in Morgantown, Pennsylvania, part of Caernarvon Township in Berks County. The mine was owned by Bethlehem Steel and opened in 1958. Operations continued until the mine was shut down in 1977. Grace Mine records, 1935-1978, include property files, time-keeping ledgers, drilling maps, a weather diary, and other materials. There are also monthly reports from Grace Mine's parent company, Bethlehem Steel.
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