Table 07. Number of NO DAYS LOST
(NDL) Injuries and NDL Incidence Rates (IR) at Anthracite
Mines
in the United States,
by Primary Activity, 1978-2007
|
|
Underground
Mines
|
Surface
Mines
|
|
Year
|
Underground
|
Surf at UG
|
Total
|
Strip
|
Auger
|
Culm Bank
|
Dredge
|
Total
|
|
|
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
NDLs
|
IR
|
|
1978
|
11
|
3.94
|
2
|
4.07
|
13
|
3.96
|
37
|
4.47
|
-
|
-
|
9
|
8.43
|
-
|
-
|
46
|
4.90
|
|
1979
|
4
|
1.52
|
-
|
-
|
4
|
1.33
|
58
|
6.72
|
-
|
-
|
5
|
3.91
|
-
|
-
|
63
|
6.33
|
|
1980
|
7
|
2.42
|
-
|
-
|
7
|
2.12
|
68
|
5.65
|
-
|
-
|
11
|
8.94
|
-
|
-
|
79
|
5.93
|
|
1981
|
2
|
.64
|
-
|
-
|
2
|
.55
|
65
|
5.12
|
-
|
-
|
17
|
14.71
|
-
|
-
|
82
|
5.89
|
|
1982
|
1
|
.29
|
-
|
-
|
1
|
.25
|
18
|
1.46
|
-
|
-
|
4
|
3.39
|
-
|
-
|
22
|
1.62
|
|
19831
|
|
-
|
-
|
-
|
-
|
-
|
8
|
.88
|
-
|
-
|
1
|
.86
|
-
|
-
|
9
|
.87
|
|
1984
|
1
|
.33
|
1
|
1.68
|
2
|
.55
|
6
|
.68
|
-
|
-
|
3
|
2.50
|
-
|
-
|
9
|
.88
|
|
1985
|
-
|
-
|
-
|
-
|
-
|
-
|
7
|
.93
|
-
|
-
|
4
|
3.08
|
-
|
-
|
11
|
1.24
|
|
1986
|
1
|
.30
|
-
|
-
|
1
|
.24
|
3
|
.35
|
-
|
-
|
1
|
.60
|
-
|
-
|
4
|
.39
|
|
1987
|
3
|
1.17
|
-
|
-
|
3
|
.89
|
6
|
1.04
|
-
|
-
|
1
|
.63
|
-
|
-
|
7
|
.94
|
|
1988
|
-
|
-
|
-
|
-
|
-
|
-
|
10
|
1.89
|
-
|
-
|
-
|
-
|
-
|
-
|
10
|
1.53
|
|
1989
|
6
|
2.71
|
1
|
|