McCLELLAND LABORATORIES, INC.

Client List

Airco

Allied Lime Co.

Alma American Mining Corporation

Alotta Resources, Ltd.

Alta Gold Company

AMAX Gold, Inc.

American Cyanamid

American Eagle Resources

American Girl Mining Joint Venture

Angst, Inc.

ARB, Inc.

Ardic Exploration

Argo - West Minerals, Inc.

Arimetco, Inc.

ASAMERA Minerals, Inc.

ASARCO - Great Basin Exploration Division

Atec, Inc.

Athena Gold Corp.

Atlas Gold Mining Inc.

Barrick Goldstrike Mines, Inc.

Battle Mountain Gold Company

Beavers Resources, Inc.

Betz Industrial

BHP Minerals

Billiton Minerals, Inc.

BioHeap Technologies, Inc.

Black Beauty Gold, Inc.

Blackdome Mining Corp., Ltd.

Bond Gold Corporation

BP Minerals America

Brewer Gold, Inc.

Brohm Mining Corporation

Brown & Root

Bureau of Land Management

Cactus Gold Mines

Calgom Mining

Cambior

Candelaria Mines

Canyon Resources

Caribbean & Latin American Mining

Cathedral Gold U. S. Corp.

Chemstar, Inc.

Chevron Resources Co.

Cliff Resources, Inc.

CoCa Mines, Inc.

Coeur Explorations

Cominco American Resources

Commerce Group Corporation

Compania Minera La Trinidad. S.A. (Panama)

Corona Gold, Inc.

Cortez Gold Mines (Placer Dome)

Crown Development Corp.

Crown Resources Corporation

Cyanamid Canada

Cyprus Metals Company

Dames & Moore

D. P. Engineering

Davy McKee Corp.

Dayton Development Corporation

Dennison Mines

Eastfield Resources, Ltd.

Echo Bay Minerals

Elders Resources

Energel, Inc.

Energy Fuels Corporation

Equinox Resources

FMC Gold Company

FirstMiss Gold, Inc.

Galactic Resources, Ltd. (Ivanhoe Gold Co.)

Galactic Services, Inc.

GD Resources, Inc.

Geobiotics, Inc.

Gerle Gold, Inc.

Gewerkschaft W. Bergugesellschaft

Glamis Gold, Inc.

Golconda Resources (USA)

Gold Fields Operating Company

Gold Fund, The

Gold King Nevada, Inc.

Gold Production Development Assoc.

Golden Reward Mining Col, The

Golden Queen Mining Co.

Golder Associates

Goldmor Group, Ltd.

Granada Exploration

Grandview Resources

Greens Creek Mining

Gwalia (USA), Ltd.

HRC Development Corporation

Hecla Mining

Harding Lawson Associates

Homestake Mining Company

Hope Mining Company

Horizon Gold Shares, Inc.

Hycroft Resources

Icarus Exploration

Idaho Gold Corp.

Inland Gold and Silver corporation

J.D. Welsh & Associates

KennaMetal, Inc.

Kennecott Process Technology

Kerr-Addison Mines, Ltd.

Keystone Mining Co.

Kiewit Mining Co.

Knight Piesold

LAC Minerals (USA), Inc.

Lone Tree Mining, Inc. - Santa Fe Pacific

Magma Copper Co.

Marshall Earth Resources

Meridian Gold Co.

Micro Min

Microbial Biotechnology, Inc.

MINPROC (U.S.A.), Inc.

Mineral Resources Development, Inc.

Mine Development Associates

Miramar Mining Company

Misty Mountain Gold, Ltd.

Morrison-Knudsen Company, Inc.

National Park Service - Alaska

NERCO Minerals

Nevada Goldfields

Nevada Western Industries

Nevex Gold Company

Newmont Gold Company

North Lilly Mining Co.

North Pacific Mining Corp.

Norwest Resource Consultants

PRA Group

Pegasus Gold, Inc.

Phelps Dodge Mining Corp.

Piedmont Mining Co.

Pierce International, Inc.

Pikes Peak Mining Co. - Cripple

Creek and Victor Mining J.V.

Precious Metals Inc. of Texas

Pocock Industrial

Prochnau, J. & Co.

Quartz Mountain Gold

Red Rock Mining (U.S.A), Inc.

Reynolds Metals Exploration, Inc.

Roche Ités, Groupe-consell

Royal Gold, Inc.

Sante Fe Pacific Gold Corp.

Saudi Company for Precious Metals

Shell Mining Co.

Silver State Mining

SOMIAF

Siskon Gold Corporation

Sonora Mining Corp.

Southern Nevada Mining

Southwestern Gold

Sphinx America

St. George Metals, Inc.

Stevenot, B. dba Carson Hill Gold

Teberebie Goldfields. Ltd.

Teck Corporation

Tenneco Minerals

Terra Mines, Ltd.

Terra Technologies

USMX, Inc.

United Nations

Valentine Gold Corp.

Vector Exploration

Ventures Trident, Ltd.

Viceroy Resource Corporation

Welsh Engineering, Inc.

Western Ash Company

Western Mining Corp. (USA)

Western Resources Co.

Western States Minerals

Westmont Mining, Inc.

The Winters Company

Cyanide detoxification research

Alternative binder research

Gravity/intensive cyanidation

Detailed heap leach testwork

Gravity flotation, CIP, and heap leach - several
projects

Detailed heap leach testwork - several projects - milling/cyanidation testwork - Environmental detoxification - several projects including operating mines

Research program - application of Ca(CN)²

Metallurgical and environmental testwork - heap leach and detoxification

Heap leach and milling/cyanidation

Preliminary heap leach

Detailed heap leach testwork

Tailings agglomeration - heap leach

Preliminary cyanidation and flotation testwork

Metallurgical and environmental testwork (copper)

Preliminary heap leach and agglomeration test - detailed heap leach testwork

Detailed heap leach testwork - several projects

Refractory ore processing research

Detailed heap leach testwork - flotation and cyanidation (concentrate) testwork

Carbon adsorption kinetic study

Metallurgical and environmental testwork

Metallurgical, environmental and biooxidation testwork - several projects

Agglomeration - heap leach testwork

Polymeric binder research program - Environmental detoxification

Agglomeration - heap leach and consulting - several projects

Detailed heap leach and other projects

Biooxidation Testwork

Detailed heap leach - several projects - Environmental detoxification

Preliminary heap leach testwork

Sampling, assay reproducibility, and gravity testwork

Detailed milling and heap leach testwork - several projects - Environmental detoxification

Consulting and testwork (heap leach), detailed Environmental testwork

Detailed heap leach and detailed milling/gravity/ cyanidation and flotation testing programs

Gravity testwork

Confirmatory cyanidation, claim validation evaluations - numerous projects

Detailed heap leach

Agglomerate strenght and stability tests - heap leach

Detailed flotation/cyanidation testwork - several biooxidation heap leach evaluations

Environmental - waste rock classification - closure planning - metallurgical heap leach testwork

Preliminary heap leach testwork - several projects

Heap leach testwork

Preliminary gravity/cyanidation

Research program - alternate binder study - several projects

Preliminary heap leach, flotation/cyanidation testwork

Gravity/cyanidation

Heap leach testwork - Enviromental detoxification

Preliminary cyanidation testwork

Detailed heap leach and preliminary work - several projects

Detailed heap leach and detoxification testwork

Preliminary heap leach

Metallurgical consulting, heap leach testwork - several projects - Environmental monitoring - environmental detoxification

Several heap leach and specialized environmental testing programs

Preliminary cyanide amenability testwork

Detailed heap leach test programs

Calcium cyanide applicability research

Milling/cyanidation and heap leach cyanidation testwork. Copper heap leach and heap biooxidation testwork.

Environmental characterization testwork

Various environmental projects

Heap leach testwork for design criteria - milling/cyanidation testwork - environmental detoxification - several projects

Detailed heap leach testwork - environmental detoxification

Gravity testwork and consulting

Detailed heap leach and environmental testwork

Several heap leach programs plus several detailed cyanidation, gravity, and flotation projects - Environmental monitoring - environmental detoxification and characterization

Metallurgical consulting - preliminary gravity and cyanidation work

Research

Detailed heap leach testwork

Detailed heap leach testwork - several projects

Milling/cyanidation - CCD and heap leach testwork - several projects - Environmental consulting and testwork

Metallurgical and environmental testwork - several projects

Environmental monitoring

Milling/cyanidation, floation and heap leach testwork

Consulting and various testwork

Environmental research and consulting

Preliminary testwork - several projects

Preliminary milling and heap leach testwork

Various types of metallurgical evaluation

Preliminary cyanidation testwork

Metallurgical testwork on several complex ore deposits

Gravity/flotation, cyanidation, and heap leach testwork

Environmental monitoring

Detailed metallurgical and environmental testwork - several projects

Agglomeration optimization testwork

Detailed heap leach and detoxification testwork - several projects

Various environmental testing programs

Detailed heap leach testwork

Agglomeration - heap leaching testwork

Preliminary cyanide amenability testwork

Preparation of drill core samples for assaying and metallurgical testwork

Detailed milling and heap leach - copper and gold

Preliminary heap leach evaluation - several projects

Confirmatory heap leach and agglomeration optimization testwork through pilot scale - several projects

Various environmental projects

Metallurgical consulting and agglomeration heap leach testwork - detailed heap leach prigrams - Environmental detoxification - several projects

Gravity concentration/flowsheet development

Heap leach and environmental testwork

Detailed heap leach, zinc precipitation and environmental testwork

Detailed heap leach and environmental testwork

Several preliminary heap leach testing programs - Environmental detoxification

Milling/cyanidation testwork

Various metallurgical and environmental projects

Environmental testwork and monitoring

Detailed heap leach/CIP/CIL/flotation gravity trade off study - cyanidation of calcines - pilot scale CIP testwork - environmental testwork - several other projects from their operating mines

Preliminary heap leach testwork

Gravity, cyanidation, flotation testwork

Various testing programs

Environmental evaluations

Preliminary and detailed heap leach and milling testwork - several projects

Detailed heap leach and detoxification through pilot-scale - several projects

Detailed heap leach testwork and consulting (gold and copper) - several projects

Evironmental - waste rock classification, metallurgical consulting

Detailed heap leach testwork, through pilot scale - several projects

Preliminary cyanidation testwork

Preliminary research (biooxidation)

Consulting and testwork - several projects

Detailed process testwork for design criteria

Metallurgical and environmental, gold and copper - several projects

Several preliminary heap leach evaluation projects

Heap biooxidation testwork

Milling/cyanidation

Claim validity evaluations

Preliminary heap leach testwork

CIL, flotation, gravity, heap leach - several projects

Detailed tailings agglomeration heap leach

Several heap leach programs

Carbon kinetic studies, biooxidation testwork

Agglomeration - heap leach testwork

Detailed heap leach and environmental testwork

Preliminary gravity, flotation, cyanidation testwork

Preliminary metallurgical evaluation

Preliminary heap leach, several projects - detailed heap leach - flotation/cyanidation - Environmental detoxification - over 30 projects including work on operating mines

Detailed heap leach and environmental testwork - several projects

Preliminary and detailed heap leach testwork

Tailings agglomeration - heap leach testwork

Several environmental ARD and pit water quality evaluations - heap leach testwork

Evaluations - heap leach testwork

Several varied metallurgical projects

Several preliminary heap leach projects

Detailed heap leach testing, milling and flotation - Environmental detoxification

Preliminary and detailed heap leach testwork - flotation and milling/cyanidation - several projects

Preliminary cyanidation and flotation testwork - several projects

Preliminary cyanidation and flotation testwork - several projects

Metallurgical and environmental evaluations - Northern Africa deposits

Pilot-scale heap leach testwork

Several metallurgical development projects, metallurgical consulting, environmental characterization

Detailed heap leach and environmental testwork

Consulting on agglomeration - heap leach testwork

Preliminary heap leach and cyanidation testwork

Metallurgical "troubleshooting" consulting - Ivory Coast

Preliminary metallurgical and environmental projects

Environmental - quarterly monitoring

Preliminary heap leach testwork

Preliminary cyanidation testwork

Milling/cyanidation testwork, CIP/CIL

Detailed flotation, gravity, cyanidation and environmental testwork

Preliminary heap leach - gravity/flotation testwork

Detailed heap leach test programs

Heap leach and milling/cyanidation testwork - several projects

CIL/flotation-carbonaceous ore

Detailed heap leach test programs

Preliminary gravity concentration tests

Several metallurgical and environmental heap leach testing programs - detailed testing for design criteria

Underdeveloped nation program - gold production - Environmental detoxification

Preliminary heap leach

Preliminary heap leach

Detailed heap leach

Preliminary heap leach - detailed heap leach - Environmental testwork - environmental detoxification - several projects

Several environmental testing programs

Alternative agglomeration binder research program

Detailed heap leach testwork - agglomeration optimization and consulting - Environmental testwork - several projects

Preliminary cyanidation, milling and heap leach projects

Preliminary heap leach and milling/cyanidation projects - environmental evaluations for closure and reclamation

Various milling and heap leach testing programs - Environmental detoxification - over 30 projects

Metallurgical testwork and consulting - several projects