| Book | Requires cookie* | ||
| 1 | Title: | The charcoal iron industry in the Perkiomen Valley | |
| Creator: | Gemmell, Alfred, 1916- | ||
| Publication: | s.n.], Allentown, Pa,1949. | ||
| Notes: | Bibliography: p. 128-134. | ||
| Call #: | Microfiche 125, LH 842 | ||
| Extent: | 134 p., leaves of plates : ill., fold. map, coat of arms ; 24 cm. | ||
| Subjects: | Iron industry and trade -- Pennsylvania -- Perkiomen River and Valley | Perkiomen River and Valley (Pa.) -- Industries | ||
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