00946nam a2200265Ia 4500 53346 BIBL 20160527185548.0 720424s1972 dcua 00110beng 72002909 //r86 n-us-pa EVLG TN24.P4 H64 333.8/2 Hoffman, John Nathan. 235594 Local Girard estate coal lands in Pennsylvania, 1801-1884 [by] John N. Hoffman. Washington Smithsonian Institution Press 1972. 86 p. illus. 28 cm. Smithsonian studies in history and technology no. 15 171565 Local 920319 Girard, Stephen 1750-1831. 228372 Local Mines and mineral resources Pennsylvania History. 136866 Local Coal mines and mining Pennsylvania History. 74557 Local Smithsonian studies in history and technology no. 15. 40470 40470 0 0 0 333_820000000000000_699G 0 evl 89172 10 10 1 2016-05-27 77518 0 333.82 699g 80000000440969 2016-05-27 00:00:00 r:53346 z:NCC:D 6