See footnotes at end of table.THE MINERAL INDUSTRY OF PENNSYLVANIA 
 
 
Table 1O.—Principal producers—Continued 
689 
 
Commodity and company Type of activity County Address 
 
Clay and shale—Continued Fire—Continued 
HanleyCo 
 
Harbison-Walker Refractories Co. 
Do 
Do________________ 
Do 
Do 
Kaiser Refractories, Division of Kaiser Aluminum & 
Chemical Corp. 
Narvon Mines Ltd 
The Negley Fire Clay Co 
 
Standard Clay Manufacturing Co. 
Hiram Swank's Sons, Inc 
 
Ralph A. Veon, Inc 
Kaolin: 
Grannas Brothers 
 
The Philadelphia Clay Co..~ 
Miscellaneous: 
American Vitrified Products Co. 
 
Fenati Brick Co., Inc 
Glen-Gery Shale Brick Corp~ - 
 
Do 
Do________________ 
Do________________ 
Do 
Hanley Co 
 
Logan Clay Products Co. 
Worthington 
Ceramics Division. 
McAvoy Vitrified Brick Co~ Medusa Portland Cement Co_ 
 
Milliken Brick Co., Inc 
 
Quakertown Brick & Tile Co., Inc. 
The Robinson Clay Product Co. 
Triangle Clay Products Co_ - 
 
Universal Atlas Cement Division United States Steel 
Corp. 
Watsontown Brick Co 
Cement: 
Allentown Portland Cement Co - - 
 
Do 
Bessemer Cement Co., Division of Diamond Shamrock Corp. 
Coplay Cement Manufacturing Co. 
G. & W. H. Corson, Inc Dragon Cement Co., Division of Martin Marietta
Corp. 
Giant Portland Cement Co 
 
Green Bag Cement Co., Division of Marquette Cement Manufacturing Co. 
Hercules Cement Co., Division of American Cement Corp. 
Keystone Portland Cement Co.. - - 
 
Lehigh Portland Cement Co Lone Star Cement Corp 
Underground - - - 
 
  
 
Open cut  
  
Underground - - - 
Open cut       
Strip 
 
Open cut      ~~do UndergrouniL. - Open cut       
 
-~do 
 
Open cut      ~do 
 
Open cut  
 
 
~~do 
~do 
 
  
- - - do 
  
~~do 
  
 
 
- - - do 
 
 
  
 
~do 
 
-~do     
 
- do 
 
  
 
~do     
 
- - - do 
 
 
 
- - - do Plant 
 
  
 
~do 
  
 
 
  
- - - do        
 
 
~do 
 
  
 
 
 
- do     
 
 
  
 
 
- -- ~do        
Jefferson______ Armstrong 
 
Cambria 
Clearfield 
~do 
Fayette 
  
 
Lancaster 
 
Lawrence 
 
Beaver 
 
Clearfield 
 
Lawrence 
 
Blair 
 
Cumberland 
 
Clearfield 
 
 
Lawrence 
Berks 
 
Dauphin 
Lancaster 
Northumberland_ 
York 
McKean 
 
Armstrong 
 
Chester_______ 
 
Lawrence______ 
 
Allegheny 
 
Bucks 
 
Montgomery 
 
Cambria 
 
Monroe 
 
 
Northumberland~ Berks 
 
Montgomery Lawrence 
 
Lehigh 
 
Montgomery 
Northampton - - 
 
Lehigh 
 
Allegheny 
 
 
Northampton - - 
 
  
 
Lehigh 
 
Northampton~ - - - 
28 Kennedy St. 
Bradford, Pa. 
2 Gateway Center 
Pittsburgh, Pa. 
Do. 
Do. 
Do. 
Do. 
P.O. Box 363 
Frostburg, Md. 
 
Narvon, Pa. 
Box 264 
New Galilee, Pa. 
Box 98 
New Brighton, Pa. 
P.O. Drawer 630 
Johnstown, Pa. 
Darlington, Pa. 
 
R.D. 2, Box 399 
Hollidaysburg, Pa. 
236 West North St. 
Carlisle, Pa. 
700 National City Bank 
Building 
Cleveland, Ohio 
New Castle, Pa. 
227 North 5th St. 
Reading, Pa. 
Do. 
Do. 
Do. 
Do. 
28 Kennedy St. 
Bradford, Pa. 
Worthington, Pa. 
 
 
Phoenixville, Pa. 
P.O. Box 5668 
Cleveland, Ohio 
2100 Montier St. 
Pittsburgh, Pa. 
Quakertown, Pa. 
 
65 West State St. 
Akron, Ohio 
Sheridan St. 
Johnstown, Pa. 
Chatham Center 
Box 2969 
Pittsburgh, Pa. 
Watsontown, Pa. 
 
7th St. at Thruway Allentown, Pa. 
Do. 
800 Stambaugh Bldg. 
Youngstown, Ohio 
North 2d St. 
Coplay, Pa. 
Plymouth Meeting, Pa. 
5A Joyce Kilmer Ave. 
New Brunswick, N.J. 
1500 Chestnut St. 
Philadelphia, Pa. 
20 N. Wacker Dr. 
Chicago, Ill. 
 
555 City Line Ave. 
Bala-Cynwyd, Pa. 
1400 South Penn Square 
Philadelphia, Pa. 
718 Hamilton St. 
Allentown, Pa. 
P.O. Box 6237 
Richmond, Va.