490 
MINERALS YEARBOOK, 1967 
 
 
Table 6.~--Employers, wage earners, and wages in mining 
Fiscal year 
~ 
Average 
number of 
employers 
Average 
number of 
wage 
Wages 
(thou- 
sands) 
Average 
annual 
wage 
 
 
earners 
 
 
1963                                         
1964                                         
1965                                         
1966                                         
1967                                         
421 
433 
421 
423 
414 
6,837 
7,163 
7,456 
7,579 
7,305 
$43,107 
45,225 
49,048 
51,262 
52,572 
$6,316 
6,314 
6,578 
6,764 
7,197 
 Source: Unemployment Compensation Commission of Montana, Montana Labor Market.
Industries and employment covered under unemployment insurance laws of Montana.

 
Table 7.—'-Employment and injury experience in the mineral industries

Year and industry 
Average 
men 
working 
daily 
Days 
Active 
Man- 
days 
worked 
(thou- 
sands) 
Man- 
hours 
worked 
(thou- 
sands) 
Number of injuries 
- 
Fatal Non- 
fatal 
Injury rates per million man-hours 
 
Fre- Severity quency 
1966: 
 Coaland peat 104 Metal 4,139 Nonmetal 911 
 Sand and gravel. ~. .~. 915 Stone 332 
 Total 1 6,401 
 
1967: P 
 Coaland peat. 90 Metal NA Nonmetal 775 Sandand gravel 1,085 Stone 375 
 Total 1 NA 
 
185 
304 
273 
193 
250 
19 
1,256 
248 
177 
83 
153 
10,050 
1,988 
1,425 
663 
 1 7 7 195 
 33 33-- - - 10 
 52.24 40,352 20.10 5,611 16.60 552 23.16 581 15.08 300 
 
 
279 
1,784 
14,279 
8 278 
20.03 4,531 
 
 
180 
NA 
252 
140 
226 
17 
793 
196 
151 
85 
134 
6,343 
1,566 
1,273 
678 
 67 1251 54 25 17 
44.71 1,16220.81 9,35735.12 6,14619.64 39925.07 350 
 
 
NA 
1,241 
9,995 
8 227 
23.51 6,992 
 Preliminary. NA Not available. 
1 Data may not add to totals shown because of independent rounding. 
 
REVIEW BY MINERAL COMMODITIES 
 
METALS 
 
 Aluminum.—Previously announced expansion at the Columbia Falls plant
of Anaconda Aluminum Co. continued as work neared completion on a fourth
and a fifth potline. Scheduled completion of the two potlines in October
1968 would boost the current annual production capacity of 100,000 tons an
additional 75,000 tons. 
 According to The Anaconda Company annual report the Columbia Falls reduction
plant operated continuously throughout the year from three potlines and produced
105,785 tons of aluminum, only 36 tons less than the previous year's record
production. 
 
 Antimony.—Knute Kirkeberg stockpiled a small amount of antimony ore
produced from the Stibnite mine in Sanders County. 
 Cadmiuin.—The Anaconda Company recovered cadmium as a byproduct from
electrolytic sludge at its Great Falls facility. Smelter output was 967,000
pounds of cadmium, 41 percent below the 1966 level, due to the copper strike
in the second half of the year. 
 
 Copper.—The nationwide copper strike in mid-July virtually stopped
production in Montana as an estimated 7,500 workers were idled throughout
the State. As a result, production of copper decreased 49 percent below that
of 1966. In 28 weeks of operation before the strike, The Anaconda Company
Butte mines produced 65,448 tons of copper, of which 61 percent came from
Berkeley pit ores. 
 Prior to the strike, The Anaconda Company continued its program of expansion