Employment at iron—ore mines and beneficiating plants, quantity and
tenor of ore produced, and average output per man in 1940, by districts
and States
(ExclusIve of ore containing 5 percent or more manganesej
Iron contained
Per Per
shift hour
00
L~Tj
0
0


District and State
Employment




Produótlon










Average
number
of men
employed
Time employed



Crude ore
(partly
estimated),
gross tons
Merchantable ore


Average per man (gross tons)







Average
number
of days
0 ~Jfl~
~ ~
 Man-hours Aver-
age Total

~


















Gross tons
Iron contained

Per-

Gross tons cent natural

Crude ore (partly estimated)
—-


~ Per
 ~ 1 our

Merchantable ore


.
Per Per shift hour



Lake Superior:
 Michigan           
 Minnesota          
 Wisconsin           
Southeastern States:
 Alabama            
 Geor~la             
 Mississippi     
~~~~::::::::::
Virginia                    
Northeastern States:
 New Jersey     
~:~-::::~-:::
Western States:
 California           
 Missouri            
 Oklahoma           
 Utah               
 Washington         
 South Dakota        
 Wyoming           
6,981
8,519
647
245
224
260
1,710,740
1,905,481
168,345
8.0
8.0
8.0
13,681,841
15,223,399
1,346,760
12,472,448
53,617,491
1,262,065
12,472,448
47,736,810
1,262.065
6,489,049
24,993,261
673,527
52.03
52.36
53.35
7.291
28. 139
7.497
0.912
3.522
. 937
7.291
25.052
7.497
0.912
3. 136
. 937
3.793
13. 117
4.001
0.474
1.642
.500

16, 147
234
3,784,566
8.0
30, 252,000
67,352,004
61,471,323
32, 155,837
52.31
17.796
2. 226
16. 243
2.032
8.497
1.063

5,593


414
245

148
1,369, 194


61,199
8. 1


8.3
.


11, 137,408


~
9,413, 519
240,650


67,218
7,316, 127
101,286

26,893
2,665,246
47,747


12,807
36.43


47. 14


1 40.90


~
( 54.32
.
6.875


5.031
. 845

.608
5.343

2.094
.657


.253
1. 947

.989
. 239


.120

6,007
238

268
310
1,430,393
8. 1
8.0
8.0
11,643,412
9,721,387
7,444,306
2,725,800
36.62
6.796
.835
5.204
.639
1.906
.234

 857} 1,664

229,881
515,985

1,839,050
4,151,289
1,292,794
3,817,196
659, ~5

2,900,499
411,124

1,386,752
62.35

{ ~
—~-~
5.624
} 7.398
.703
.920
,

2.869
5.621
.359

.699
1.788
2.688
. 224
.334

2,521
296
745,866
8. 0
5,990,339
5, 109,990
- 3,559,924
1,797,876
50.50
6.851
. 853
4.773
.594
2.410
.300

256
267
' 



68,431
' 



8.0
' 



547,448
1,071
53,638
1,797
326,500
5,386
640
831,314
1,071
53,638
1,797
326,500
5,386
640
831,314
 675
27,708
 809
179,487
3,501
294
424,220
63.03
51.66
45.02
54.97
65.00
1
1 -
11. 509


1
~12. 148
1.302


1.519
11.509


12. 148
1.302


1.519
6.286


6. 199
.711




.775

453
226
102,232
8.3
846,246
1,220,346
1,220,346
636,694
52. 17
11.937
1.442
11.937
1.442
6.228
. 752

25, 128
"~i
6,063,057
' tö'
48,731,997
83,403,727
73,696,899
37,316,207
50.64
13.756
1.711
12.155
1.512
6.155
' ~