Mineral resources of Johnstown, Pennsylvania and vicinity
Phalen, William Clifton
1877-1949
creator
Martin, Lawrence
1880-1955
joint author.
Pennsylvania
Bureau of Topographic and Geologic Survey
text
dcu
Washington
Government Printing Office
1911
monographic
eng
142 p : ill., 7 plates (incl. 2 fold. maps) ; 23 cm.
by W.C. Phalen and Lawrence Martin; surveyed in cooperation with the Topographic and Geologic Survey of Pennsylvania.
Mines and mineral resources
Pennsylvania
Coal mines and mining
Pennsylvania
TN24.P4 P6
Geological Survey bulletin ; 447
gs 11000155
DLC
790417
20260227111311.0
gs 11000155