TY  - BOOK
AU  - Phalen,William Clifton
AU  - Martin,Lawrence
ED  - Pennsylvania.
TI  - Mineral resources of Johnstown, Pennsylvania and vicinity
T2  - United States.  Geological Survey.  Bulletin
AV  - TN24.P4 P6
PY  - 1911///
CY  - Washington
PB  - Government Printing Office
KW  - Mines and mineral resources
KW  - Pennsylvania
KW  - Coal mines and mining
ER  -