ufacture of refractory bricks, decreased expanded perlite. 35 percent below
that of 1966. Magnesium-bearing lime, made from dolomite mined in Alabama,
was used in this process. 
458 MINERALS YEARBOOK, 1967 
 
 
 Perlite.—Johns Manville Products Corp., Adams County, reported production
of 
 Salt.—A damage suit, brought by mineral owners against the U~S. Government
and arising out of the detonation of a nuclear device in the Tatum salt dome
in Lamar County, was settled out of court for $142,164. 
 
Table 13.~—~Clays sold or used by producers, by kinds 
(Thousand short tons and thousand dollars) 
 Ball clay, Miscellaneous 
 Bentonite fire clay, and clay Total 
Year fuller's earth 
Quantity Value Quantity Value Quantity Value Quantity Value 
 1963 280 $3,480 230 $1,761 725 $727 1,235 $5,968 1964 270 3,352 286 2,003
775 775 1,331 6,130 1965 280 3,477 299 2,570 923 950 1,502 6,997 
 1966 291 3,615 280 2,673 1,156 1,201 1,727 7,489 1967 259 3,067 306 3,306
1,089 1,479 1,654 7,852 
Sand and Gravel.—Production was re- Phillips Petroleum Co. planned
to drill 
ported from 51 of the State's 82 a confirmation well to its 20,000-foot dis

counties. The leading producers in order covery well of the Black Creek field
in 
of value were Carroll, Copiah, Hinds, Perry County, a prolific producer of
sul 
Adams, and Forrest Counties. These five fur. Successful completion would
lead to 
counties produced 42 percent of the construction of a sulfur extraction plant.

tonnage and 39 percent of the value. Pan American Sulphur Co., heretofore

 active only in Mexico, acquired a 50- Stone. and Shell.—Offshore-
recovery of percent interest in the operation. Increasesoyster and clam shell
in Harrison County in the price of sulfur to $39 per long tonremained virtually
unchanged in tonnage fob. Gulf Coast, and $52 per long ton inbut increased
15 percent compared with Mexico, stimulated the plans.the 1966 value. Stone
production increased 
 22.5 percent in volume and 24.0 percent METALS 
in value. 
 Iron Ore.—Magnolia Mining Co. conSulfur.—Recovery of sulfur
from retinued to mine iron ore from several small 
finery and natural gases was practically 
unchanged in quantity from 1966. open pits near Porterville, Kemper County.

Average unit price for the State increased The ore was shipped by rail to
a mill45 percent. near Birmingham, Ala. 
Table 14.—Sand and gravel sold or used by producers 
(Thousand short tons and thousand dollars) 
Commercial Government- Total 
Year and-contractor 
Quantity Value Quantity Value Quantity Value 
 1963 6,306 $6,266 519 $790 6,825 $7,056 1964 7,479 7,871 346 698 7,825 8,569
1965 7,192 7,785 1,255 932 8,447 8,717 1966 12,307 12,815 368 748 12,675
13,563 1967 13,575 14,299 464 1,186 14,039 15,485