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Bureau of Mines / Minerals yearbook 1990
Year 1990, Volume 2 (1990)

West, Wanda J.; Gere, Milton A., Jr.
Michigan,   pp. [254]-269 PDF (2.4 MB)


Page 269

Commodity and company 
. TABLE 5-Continued PRINCIPAL PRODUCERS 
Address 
Type of activity 
County 
Vermiculite (exfoliated): 
62 Whittemore Ave. 
Cambridge, MA 02140 
Plant. 
Wayne. 
W. R. Grace & Co. 
' Also clays. 2~ ~ lin~estme. ' Also silver. 4Also cnxle ~irci~ oxide pigments.
' Calcium chloride. ' Magnesium compounds. 
MICHIGAN—1990 
269 


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