TY  - BOOK
AU  - Hoffman,John Nathan
TI  - Girard estate coal lands in Pennsylvania, 1801-1884
T2  - Smithsonian studies in history and technology
AV  - TN24.P4 H64
U1  - 333.8/2 
PY  - 1972///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Girard, Stephen
KW  - Mines and mineral resources
KW  - Pennsylvania
KW  - History
KW  - Local
KW  - Coal mines and mining
N1  - 920319
ER  -