THE MINERAL INDUSTRY OF MONTANA 
491 
 
Table 8.—Mine production of gold, silver, copper, lead, and zinc in
terms of recoverable 
metals 1 
 Mines producing Year -~ 
 
 Lode Placer 
Material 
sold or 
treated 2 
(thousand 
short 
tons) 
Gold 
(lode and placer) 
 
Silver 
(lode and placer) 
— Troy Value 
ounces (thousands) 
(thousands) 
 
 
Troy 
ounces 
 Value (thousands) 
 
 1963  117 8 9,506 18,520 $648 4,242 $5,426 
 1964  110 8 14,872 29,115 1,019 5,290 6,840 
 1965  121 11 15,634 22,772 797 5,207 6,733 
 1966  117 5 17,645 25,009 875 5,320 6,878 
 1967  62 3 9,093 9,786 343 2,066 3,203 
 1862—1967_    NA 17,787,367 407,011 859,582 656,967 
 
Copper 
 
 Lead 
Short Value 
tons (thousands) 
 
Zinc 
 
Total 
value 
(thousands) 
 
Short 
tons 
- 
 Value 
(thousands) 
 
 
 
 
 
 
 
 
 
 
Short 
tons 
Value 
(thousands) 
 
1963.      
1964       
1965       
1966       
1967       
79,762 
103,806 
115,489 
128,061 
65,483 
$49,133 
67,682 
81,766 
92,639 
50,063 
5,000 
4,538 
6,981 
4,409 
 898 
$1,080 
1,189 
2,178 
1,333 
 251 
32,941 
29,059 
33,786 
29,120 
3,341 
$7,576 
7,904 
9,866 
8,445 
 925 
$63,864 
84,633 
101,340 
110,171 
54,785 
1862—1967.... 
8,270,582 
2,940,401 
945,027 
150,301 
2,837,346 
548,993 
4,703,673 
 
 NA Not available, 
 1 Includes recoverable metal content of gravel washed (placer mines), ore
milled, and ore, old slag, copper precipitates, and cleanings shipped to
smelters during the calendar year indicated. Owing to rounding, mdi' vidual
items may not add to totals shown. 
 2 Does not include gravel washed. 
 
 
Table 9.—Mine production of gold, silver, copper, lead, and zinc in
1967, by classes of ore 
or other source materials, in terms of recoverable metals 
Source 
Number 
of 
mines 1 
Material 
sold or 
treated 
(short 
tons) 
Gold 
(troy 
ounces) 
Silver 
(troy 
ounces) 
Copper 
(pounds) 
Lead 
(pounds) 
Zinc 
(pounds) 
Ore: 
Dry gold          
Dry gold.silver     
Dry silver         
Total           
Copper            
Lead             
Lead zinc and zinc 2__ 
Total           
Other lode material: 
Gold and gold..silver old tailings 2      
Silver old tailings_.__ 
Copper precipitates__ 
Zincslag          
Total           
Total lode 
material       
Total placer      
Grand total      
7 
9 
19 
 165 
3,507 
12,989 
44 
379 
169 
178 
10,691 
56,051 
4,900 
21,700 
25,000 
66,900 
100 
38,300 
188,300 
 
35 
16,661 
592 
66,920 
26,600 
91,900 
226,700 
 
3 
11 
5 
9,014,687 
4,107 
36,047 
8,304 
 347 
51 
1,817,009 
22,926 
136,764 
118,056,000 
32,800 
62,600 
922,300 
426,100 
155,500 
3,282,800 
 
19 
9,054,841 
8,702 
1,976,699 
118,151,400 
1,348,400 
3,438,300 
 
3 
6 
1 
2 
 208 
4,868 
 
16,016 
11 
340 
  
   
 218 
19,974 
 
2,627 
5,900 
12,782,100 
  
 2,000 
 
353,700 
5,300 
  
 3,011,700 
 
12 
21,092 
351 
22,819 
12,788,000 
355,700 
3,017,000 
 
62 
3 
9,092,594 
(4) 
9,645 
 141 
2,066,438 
26 
130,966,000 
1,796,000 
  
6,682,000 
 
65 
9,092,594 
9,786 
2,066,464 
130,966,000 
1,796,000 
6,682,000 
 1 Detail will not necessarily add to total, because some mines produce more
than one class of material. 
 2 Combined to avoid disclosing individual company confidential data. 
 5lncludes small amount of copper from zinc slag. 
 ' 14,800 cubic yards.