Kent 
 
Washington     
 
Frederick 
 
Prince Georges - - 
 
  
 
  
 
 
Baltimore     ~~do 
 
 
Calvert        
Clays—Continued: 
 Miscellaneous clay and shale: 
Chestertown Brick Co 
Victor Cushwa & Sons, Inc - - - 
 
Lehigh Portland Cement Co - - 
 
United Brick Corp 
 
The Washington Brick Division Thos. Somerville Co. 
West Brothers Brick Co 
 
Gypsum (calcined): 
 
 National Gypsum Co.3 
 
 United States Gypsum Co 
 
Greensand marl: 
 Kaylorite Corporation 
Finished iron oxide pigments (natural and manufactured): 
 Mineral Pigments Corp 
 
Lime: 
 S. W. Barrick & Sons, Inc 
 Le Gore Lime Company 
 Everett V. Moser_____________ 
 
Lime (regenerated): 
 West Virginia Pulp & Paper Co - -Perlite (expanded): 
 Atlantic Perlite Co____________ Sand and gravel: 
 Arundel Corp 
 
 Arundel Supply Corp 
 
Harry T. Campbell Sons' Corp Charles County Sand & Gravel Co., Inc. 
Contee Sand & Gravel Co., In~c - - - 
District Sand & Gravel Co 
 
Forestville Sand & Gravel Co., Inc_ 
 
Inland Materials, Inc__________ 
 
Manley Sand Division Martin Marietta Co. 
Nottingham Farms, Division of Harry T. Campbell Sons' Corp. 
 
Potomac Sand & Gravel Co 
 
Silver Hill Sand & Gravel Co 
 
A. H. Smith Co 
 
Standills, Inc 
 
York Building Products Co 
 
Smelters: 
American Smelting and Refining Company. 
Kennecott Refining Corp 
 
Soapstone and talc: 
 
Harford Talc Co.4  
 
Liberty Talc Mines, Inc.6_______ 
 
Stone: 
Granite, crushed: 
Maryland Materials, Inc_____ 
 
Port Deposit Granite, Inc 
 
See footnotes at end of table. 
Anne Arundel_ - Prince Georges.. - - 
 
Baltimore______ Charles        
 
Prince Georges_ - - 
  
 
  
 
  
 
Allegany      Baltimore 
 
 
Charles       Prince Charles - - 
 
 
Harford       Cecil_________ 
Dredge    Pit 
 
  
  
 
  
Quarry Cecil  P.O. Box 159 
  Elkton, Md. 
 do Port Deposit, Md. 
396 
MINERALS YEARBOOK, 1967 
 
 
Table 6.—Principal producers—Continued 
Commodity and company Type of County Address activity 
 
Pit 
 
  
 
  
 
~do 
 
  
 
  
 
 
Plant 
 
~do 
 
 
Quarry____ 
Plant Prince Georges.. - - 
- - do Frederick 
 do 
 .~do 
 
 
 Allegany 
- - - do Prince Georges_ - - 
 
Plant 
 
Pit 
 
Plant 
 
Pit 
 
~do 
 
  
 
~~do 
 
- - - do 
 
~~do 
 
~do 
Plant Baltimore 
Refinery Anne Arundel__ - 
Pit Harford 
 
 Carroll 
Chestertown, Md. 
201 W. Potamac St. 
Williamsport, Md. 
718 Hamilton St. 
Allentown, Pa. 
2801 New York Ave., N.E. 
Washington, D.C. 
6th and Decatur Sts., N.E. 
Washington, D.C. 
6600 Sheriff Rd., N.E. 
Washington, D.C. 
 
325 Delaware Ave. 
Buffalo, N.Y. 
101 South Wacker Dr. 
Chicago, Ill. 
 
Dunkirk, Md. 
 
 
Washington Blvd. 
Muirkirk, Md. 
 
Woodsboro, Md. 
Le Gore, Md. 
R.D. #1 
Middletown, Md. 
 
Luke, Md. 
 
1919 Kenilworth Ave. Washington, D.C. 
 
501 St. Paul Place 
 
Baltimore, Md. 
 
6900 Walker Mill Rd. 
 
Washington, D.C. 
 
Towson and Baltimore, Md. 
 
P.O. Box 322 
 
Waldorf, Md. 
 
Laurel, Md. 
 
4800 Branch Avenue 
 
Silver Hill, Md. 
 
R.F.D. Box 4263 
 
Upper Marlboro, Md. 
 
7401 Kirby Road 
 
Clinton, Md. 
 
P.O. Box 1341 
 
Cumberland, Md. 
 
Regester Ave. & 
 
Overbrook Rd. 
 
Baltimore, Md. 
 
3020 K St., N.W. 
 
Washington, D.C. 
 
4600 St. Barnabas Rd., S.E. 
 
Washington, D.C. 
 
Branchville, Md. 
 
P.O. Box 236 
 
Aberdeen, Md. 
 
P.O. Box 1708 
 
York, Pa. 
 
120 Broadway, 
New York, N.Y. 
161 East 42d St. 
New York, N.Y. 
 
Box 527 
Bel Air, Md. 
Box 85, 
Sykesville, Md.