01078cam a22002651i 4500 gs 11000155 DLC 20260227111311.0 790417s1911 dcua f000 0 eng gs 11000155 (OCoLC)4863087 DLC OkAdE OCoLC DLC premarc TN24.P4 P6 Phalen, William Clifton, 1877-1949. Mineral resources of Johnstown, Pennsylvania and vicinity / by W.C. Phalen and Lawrence Martin; surveyed in cooperation with the Topographic and Geologic Survey of Pennsylvania. Washington : Government Printing Office, 1911. 142 p : ill., 7 plates (incl. 2 fold. maps) ; 23 cm. United States. Geological Survey. Bulletin ; 447 Mines and mineral resources Pennsylvania. Coal mines and mining Pennsylvania. Martin, Lawrence, 1880-1955, joint author. Pennsylvania. Bureau of Topographic and Geologic Survey Geological Survey bulletin ; 447. 25000 25000