DAVID T SNOW PHD
Consultants in Hydrogeologic Engineering
and Geotechnical Engineering
Expert Witness

EXPERT WITNESS, LEGAL AND COURT EXPERIENCE

 I have been called upon to provide expertise in groundwater hydrology, contamination, water law, mine and shaft flooding, reservoir seismicity, explorations, foundation grouting and conditions and construction materials. In eleven out of seventeen assignments, I have given testimony, generally prevailing for the client.

Location , Date

CLIENT

PURPOSE

Merced Co. CA

1962

Mr. Clifford Bachand, atty

Testimony, District Court, Nature of

Gravel as non-mineral commodity

London Twp., MI

1974

American Cement Co.

Testimony, public hearings on quarry

Drainage, contamination of water

Wichita, KS

1974

Amoco Production Co.,

Harry Landt, atty.

Deposition, testimony in Federal Ct., gas con- tamination of irrigation well

Mineral, VA & Washington, D.C.

1974

Virginia Electric Power Co.,

Dames & Moore

Testimony to Nuclear Regulatory Comm.

Absence of seismic effects due to filling

N. Anna Reservoir, VA

Summit Co., Colo.

1976

Grant, McHendrie, Haines & Crouse.

Chas. Haines, atty.

Testimony in District Ct. on foundation geology, soil mechanics, W. Vent Bldg. Eisenhower Tunnel

Montrose Co. Colo.

1976

Wellborne, Dufford, Cooke & Brown

Wm C. Robb, atty.

Testimony to Water Ct. on non-tributary nature of mine water, Pitch Mine, CO for Homestake Mining Co.

Greeley Co., Colo.

1976

Holland & Hart,

Frank Morrison, aty

Testimony to Health Dept. of State and County Commissioners, environmental protection, contamination by in-situ leaching of Uranium by Wyoming Minerals Co.

Denver, CO

1978

Elam, Burke, Jepperson, Evans & Boyd. C.P. Burke, atty.

Prepared to testify on U.S. Bu. Reclamations

Teton Dam failure, Idaho. Grouting deficiencies

Denver, CO

1978

Environmental Defense Fund, Inc.

David Mastbaum, atty

Prepared affidavit for Fed’l Ct. on oil shale hydrology and contamination from tailings

Craig, Co

1979

Harry A. Tucker, atty

P.O. Box 604, Craig, CO

Testimony to District Ct., foundations of faulty asphalt paving, Craig Chevrolet Co.

Ottawa Co, OH

1982

Eastman,Stichter,Bergman & Smith, Toledo OH, James Nooney, atty

Deposition & testimony in Dist. Ct

Hydrology of flooded gypsum mine, Celotex Corp.

Austin, TX

1989

City of Mont Belvieu, Barber’s Hill gas storage facility

Neil Iverson, atty.

Deposition and testimony to Texas RR Commission, brine injection operations, aquifer contamination

Austin, TX

1992

Webb & Webb, Inc., Stephen Webb, atty.

Deposition & testimony to Texas RR Commission on conversion of a faulty storage cavern to injection use at Barber’s Hill

Regina, Saskatchewan,

1989-92

Gerrand & Mulatz Co. and Cigna Insurance Co.

Gerry Gerrand, atty.

Prepared for testimony on flooding of IMC’s K2 potash mine, Esterhazy, Sask.

Seattle, WA

1991-1992

US EPA, Region X

Chae Park

Prepared testimony on RCRA compliance issue, creosote DNAPL contamination by Int’l Paper Co. at Longview WA

Montreal, Quebec

1995

Robinson, Sheppard, Shapiro,

Michel Green, atty.

Prepared testimony on causes of shaft flooding, freeze and grout stanching efforts of contractors

Olympia, WA

1998

Parsons, Behle & Latimer,

Craig Galli, atty.

Prepared testimony on groundwater and stream impacts of Crown Jewel Mine, WA

Ottawa, Ontario

2003-2005

Rasmussen, Starr, Ruddy

Don Rasmussen, atty

Prepared testimony on contractor’s failure to grout alignment of sewer tunnel, City of Ottawa

Denver, Co

2008

Michael Uwate & Assoc

Michael Uwate, atty

Prepared affidavit for District Ct. on possible contamination of land in Brighton, CO by RO brine leakage