SURFACE MINES

Year

Strip

Dredge

Total w/o office

Office

Grand Total

All Injs

IR

All Injs

IR

All Injs

IR

All Injs

IR

All Injs

IR

1978

1,532

5.94

452

7.58

1,984

6.25

13

.28

1,997

5.50

1979

1,510

5.59

330

5.48

1,840

5.57

11

.24

1,851

4.91

1980[1]

1,075

4.38

244

4.59

1,319

4.42

13

.29

1,332

3.88

1981

801

3.79

204

4.49

1,005

3.92

13

.32

1,018

3.42

1982

209

2.12

62

3.08

271

2.28

2

.10

273

1.98

1983

684

3.47

143

3.54

827

3.48

5

.13

832

3.02

1984

854

3.90

160

3.78

1,014

3.88

5

.12

1,019

3.37

1985

912

3.90

182

4.29

1,094

3.96

7

.16

1,101

3.45

1986

1,161

4.71

215

5.02

1,376

4.75

7

.16

1,383

4.14

1987

1,468

5.84

248

5.50

1,716

5.79

8

.17

1,724

5.02

1988

1,706

6.69

377

8.04

2,083

6.90

15

.31

2,098

5.99

1989

2,068

8.09

422

9.19

2,490

8.26

15

.30

2,505

7.13

1990

1,954

7.77

386

8.09

2,340

7.82

19

.38

2,359

6.75

1991

1,742

7.53

337

7.36

2,079

7.50

13

.27

2,092

6.44

1992

1,610

6.96

338

7.34

1,948

7.02

10

.21

1,958

6.03

1993

1,499

6.38

322

6.80

1,821

6.45

11

.23

1,832

5.56

1994

1,511

6.16

334

6.80

1,845

6.26

6

.13

1,851

5.42

1995

1,393

5.62

295

6.10

1,688

5.70

5

.11

1,693

4.94

1996

1,337

5.26

286

6.27

1,623

5.41

10

.21

1,633

4.71

1997

1,348

5.11

264

5.63

1,612

5.19

8

.17

1,620

4.53

1998

1,371

4.94

263

5.45

1,634

5.01

10

.20

1,644

4.38

1999

1,320

4.48

223

4.56

1,543

4.49

12

.24

1,555

3.94

2000

1,242

4.26

259

5.36

1,501

4.41

11

.22

1,512

3.87

2001

1,097

3.80

253

5.37

1,350

4.02

6

.12

1,356

3.52

2002

1,042

3.71

209

4.48

1,251

3.82

7

.14

1,258

3.34

2003

1,019

3.68

232

4.88

1,251

3.85

10

.20

1,261

3.37

2004

937