100 
In 
 
 
 
0 
 
C 
0 
 
 
E 
 
LU 
 
-J 
4 
> 
 
 
 
 
 
 
 
 
 
 
 
Figure 1.—Value of sand and gravel, stone, and total value of mineral
production in 
Wisconsin. 
 
 
REVIEW BY MINERAL COMMODITIES 
862 MINERALS YEARBOOK, 1967 
 
 
 
 
 
 
NONMETALS 
 
 Abrasive Stone.—Baraboo Quartzite Co., Inc., produced grinding pebbles
from a quartzite deposit in Sauk County. Production decreased in quantity
and value from that of 1966. The entire output was used for deburring purposes.

 
 Cement.—Portland cement shipments declined 6 percent in quantity and
value from those of 1966; shipments of masonry cement decreased 23 percent
in quantity and value. Production of portland cement consisted of types I
and II (general use and moderate heat) and type III (highearly-strength).
About 29 percent of the portland cement production was air-entrained. 
 Average mill value per 376-pound barrel of portland cement was $3.42, an
increase of $0.01 from that of 1966. 
 About 93 percent of the portland cement was shipped in bulk and the remainder
in paper bags. Truck shipments comprised 82 percent of the total and rail
shipments 
18 percent, compared with 68 percent by truck and 32 percent by rail in 1966.
Most of the portland cement was consumed within the State, with lesser amounts
shipped to Minnesota and Michigan. In addition to cement produced and consumed
within the State, shipments were received from plants in 10 other States.
Total. shipments of cement into and within Wisconsin were about 10 million
barrels of portland cement and 482,000 barrels of masonry cement. 
 Marquette Cement Manufacturing Co. produced types I, II, and III portland
cement and masonry ~ement at its Milwaukee plant. Manitowoc Portland Cement
Co., a subsidiary of Medusa Portland Cement Co., produced types I and II
portland cement at Manitowoc until November, when production was discontinued
preparatory to converting its plant to white cement production. The company
planned to begin the conversion in 1968. Cement markets served by the Manitowoc
plant were expected to be supplied by Medusa