Location of operation(s) - RemarksCommodity and company Nearest town
County 
Bay Portland and masonry, wet process. 
Monroe Do. 
Alpena Portland and masonry, dry process. 
Charlevoix Portland and masonry, wet process. 
St. Clair        Wayne 
- - Ao 
Emmet_________ Wayne 
Portland, wet process. Do. 
Portland and masonry, wet process. Do. 
Do. 
Do. 
Do. 
Saginaw Cement. 
Monroe 
Alpena 
Wayne Lightweight aggregate. 
St. Clair Cement. 
 
Wayne 
Antrim 
 
Wayne 
- - - do 
- - - do 
 
 
 
Houghton 
- - do 
  
Keweenaw 
~do 
  
~do 
' -1 L2j 
ITi 
 
 
 
 
 
 
r12 
 
 
 
0 
Calumet 
Osceola_________________ 
Hubbell 
Ahmeek 
 
do 
Mohawk 
Do. 
Do. 
 
 
 
 
On strike August 23—September 11. Operation closed in December. 
 
 
"Poor rock" only. 
Do. 
See footnotes at end of table. 
Freda Houghton Operation closed in November. 
Painesdale    do Operation closed in September. 
Freda    do Operation closed in November. 
Operation closed in May. 
 
Mine and mill. On strike August 21 tbroughoqt balance of year. 
Table 17.~—Principal producers and processors of metals, minerals,
and mineral fuels 1 
 
Cement: 
Aetna Portland Cement Co., Division of Martin Bay City 
Marietta Corp. 
Dundee Cement Co Dundee 
Huron Cement Co., Division of National Gypsum Alpena 
Co. 
Medusa Portland Cement Co Charlevoix 
Peerless Cement Co., Division of American Cement 
Corp.: 
 Port Huron plant    Port Huron 
 Brennan Avenue plant Detroit 
 Jefferson Avenue plant    do 
Penn-Dixie Cement Corp Petoskey 
Wyandotte Chemicals Corp Wyandotte 
Clays and shale: 2 
Aetna Portland Cement Co., Division of Martin Saginaw 
Marietta Corp. 
Dundee Cement Co Dundee 
Huron Cement Co., Division of National Gypsum Alperia 
Co. 
Light Weight Aggregate Corp Livonia 
Peerless Cement Co., Division of American Cement Smiths Creek 
Corp. 
 Do Allen Park 
Penn-Dixie Cement Corp Petoskey 
Coke: 
 Allied Chemical Corp Detroit_________________ 
 Ford Motor Co River Rouge 
 National Steel Corp., Great Lakes Steel Division  Ecorse__________________

Copper: 
Calumet & Hecla, Inc.: 
Centennial Nos. 2, 3, and 6______________ 
Osceola No. 13_______________________ 
Tamarack Reclamation 
Ahmeek mill 
Allouez No. 3 and Kingston 
Ahmeek No. 3 and No. 4 
Seneca No. 2 
Copper Range Co.: 
Atlantic Tailings  
Champion 
Freda mill 
Quincy Mining Co.: 
 Reclamation plant Mason do 
White Pine Copper Co: 
 White Pine White Pine Ontonagon