2004 Bentonite Production and Employment

Year

Company

Area

Type

Tons Produced

Tons Mined

Mill Employees

Mine Employees

2004

American Colloid Co.

Colony-East

Mill

653,289

45

2004

American Colloid Co.

Colony-West

Mill

563,488

68

2004

American Colloid Co.

Colony

Mine

1,584,526

38

2004

American Colloid Co.

Lovell Mill

Mill

569,261

84

2004

American Colloid Co.

Lovell

Mine

569,261

5

2004

American Colloid Co.

Upton

Mill & Mine

0

0

0

0

2004

BPM Minerals, LLC.

Colony

Mill

510,284

62

2004

BPM Minerals, LLC.

Colony Area

Mine

510,284

15

2004

BPM Minerals, LLC.

Lovell

Mill

634,437

64

2004

BPM Minerals, LLC.

Lovell

Mine

794,389

7

2004

Black Hills Bentonite Corp.

Worland

Mill

165,863

11

2004

Black Hills Bentonite Corp.

Worland-Ten Sleep

Mine

202,574

6

2004

Black Hills Bentonite Corp.

Kaycee

Mine

458,770

12

2004

Black Hills Bentonite Corp.

Casper

Mill

196,675

19

2004

Black Hills Bentonite Corp.

Thorsen

Mill

169,807

11

2004

Black Hills Bentonite Corp.

Mills

Mill

104,203

24

2004

Black Hills Bentonite Corp.

Thorten

Mill

37,864

2

2004

Black Hills Bentonite Corp.

Oshoto

Mine

37,896

2

2004

CETCO

Lovell

Mill

36,000

48

2004

M-I, LLC.

Greybull

Mill

532,198

74

2004

M-I, LLC.

Greybull

Mine

631,542

72

2004

Kenneth E. Tanner

M-I Drilling Fluids Pit

Mine

36,698

4

2004

Wyo-Ben, Inc.

Sage Creek

Mill

164,498

22

2004

Wyo-Ben, Inc.

Stucco

Mill

199,556

40

2004

Wyo-Ben, Inc.

Stucco

Mine

428,600

8