Alabama
Mr. Willard L. Sitz, P. G.
  Chief Geologist
  Alabama Department of Transportation
  Bureau of Materials and Tests
  3700 Fairground Road
  Montgomery, AL 36110
  Phone: 334-206-2279
  Fax: 334-264-6263
  E-mail: sitzw@dot.state.al.us

Arizona
  Mr. Nicholas M. Priznar
  Arizona Department of Transportation
  1221 North 21st Avenue, 068R
  Phoenix, AZ 85009-3740
  Phone: (602)712-8089
  Fax: (602)712-8138
  E-Mail: npriznar@azdot.gov

Federal Highway Administration
  Mr. Thomas Lefchik
  Asst. Bridge and Technology Transfer Engineer
  Federal Highway Administration
  200 N. High Street, Room 328
  Columbus, OH 43215
  Phone: (614)280-6845
  Fax: (614)280-6876
  E-Mail: thomas.lefchik@fhwa.dot.gov

  Mr. Matt DeMarco
  Geotechnical Engineer
  Federal Highway Administration
  Central Federal Lands
  P.O. Box 25246 HTS-16.6
  Denver, CO 80225
  Phone: (720)963-3520
  Fax: (303)236-3405
  E-mail: matthew.demarco@fhwa.dot.gov

  Mr. Khamis Haramy
  Geotechnical Engineer
  Federal Highway Administration
  Post Office Box 25246, HMT-16.6
  Denver, CO 80225
  Phone: (720)963-3521
  Fax: (303)236-3405
  E-mail: Khamis.Haramy@fhwa.dot.gov

Federal Railroad Administration
  Mr. Chet Rhodes Jr.
  Safety Inspector
  DOT/FRA Railroad (Track)
  195 Alpha Park
  Highland Heights, OH 44143-2230
  Phone: (216)522-4890
  Fax: (216)522-4890
  E-Mail: chet.rhodes@fra.dot.gov

Illinois
  Riyad Wahab, Ph.D., P.E.
  State Geotechnical Engineer
  Bureau of Bridges and Structures
  Illinois Department of Transportation
  2300 S. Dirksen Pkwy
  Springfield, IL 62764
  Phone: (217) 782-2704
  Fax: (217) 782- 7960
  E-Mail: riyad.wahab@illinois.gov

Indiana
  Jon Paauwe
  Geotechnical Geologist III
  Indiana Department of Transportation
  Materials and Tests Division
  120 South Shortridge Road
  Indianapolis, Indiana 46219
  Phone: (317)610-7251, extension 229
  Fax: (317)356-9351
  E-Mail: jpaauwe@indot.state.in.us

Iowa
  Mr. Matthew Trainum
  Geologist
  Iowa Department of Transportation
  800 Lincoln Way
  Ames, Iowa 50010
  Phone: (515)239-1476
  Fax: (515)239-1873
  E-Mail: Matthew.Trainum@dot.iowa.gov

Kansas
  Mr. Bob Henthorne
  Chief Geologist
  Kansas Department of Transportation
  Material and Research Center
  2300 Van Buren
  Topeka, KS 66611-1195
  Phone: (785)291-3860
  Fax: (785)296-2526
  E-Mail: roberth@ksdot.org

  Mr. Richard F. Ryan
  Geologist
  Kansas Department of Transportation
  P. O. Box 498
  Chanute, Kansas 66720-0498
  Phone: (620)431-1000 Ext 224
  Fax: (620)431-6941
  rryan@ksdot.org

Kentucky
  Mr. James Grider
  Division of Professional Services
  Kentucky Transportation Cabinet
  Rm. 610
  501 High Street
  Frankfort, Kentucky 40622
  Phone: (502)564-4555
  Fax: (502)564-0991
  E-Mail: jamescgrider@ky.gov

  Mr. Christian Wallover
  Engineering Technologist
  Kentucky Dept. of Highways,
  Geotechnical Branch
  1236 Wilkinson Blvd.
  Frankfort, KY 40601
  Phone: (502)564-2374
  Fax: (502)564-4839
  E-Mail: christian.wallover@ky.gov

Maryland
  Eric Dougherty
  Division Chief
  Engineering Geology Division
  Office of Materials Technology
  Maryland State Highway Administration
  2323 W. Joppa Rd.
  Lutherville, MD 21093
  Phone: 410-321-3107
  Fax: 410-321-3099
  E-Mail: edougherty@sha.state.md.us

Michigan
  Mr. Richard Endres
  Foundation Analysis Engineer
  Michigan Department of Transportation
  Secondary Governmental Complex
  8885 Ricks Road
  P.O. Box 30049
  Lansing, MI 48909
  Phone: (517)322-1207
  Fax: (517)322-5664
  E-Mail: endresr@michigan.gov

Minnesota
  Mr. Jason L. Richter, P.G
  Geologist
  Minnesota Department of Transportation
  Office of Materials/Geotechnical Engineering Section
  1400 Gervais Avenue, MS 645
  Maplewood, MN 55109-2044
  Phone: (651) 366-5453
  Fax: (651) 366-5510
  E-mail: jason.richter@dot.state.mn.us

Missouri
  Mr. George Davis
  Geotechnical Liaison
  Missouri Department of Transportation
  P.O. Box 270
  Jefferson City, MO 65102
  Phone: (573)526-4344
  Fax: (573)526-4345
  E-Mail: george.davis@modot.mo.gov

Natural Resources Canada
  Dr. Marc C. Bétournay
  Senior Scientist
  Natural Resources Canada
  555 Booth Street
  Ottawa, Ontario
  Canada, K1A 0G1
  Phone: (613)995-1147
  E-Mail: mbetourn@nrcan.gc.ca

Nevada
  Abbas Bafghi, P.E.
  Senior Geotechnical Engineer
  Geotechnical Section-Materials Division
  Nevada Department of Transportation
  1263 S. Stewart Street
  Carson City, Nevada 89712
  Phone: (775)888-7876
  Fax: (775)888-7501
  E-mail: abafghi@dot.state.nv.us

New Jersey
  John P. Jamerson
  Project Engineer, Geology
  New Jersey Department of Transportation
  Geotechnical Engineering Unit
  1035 Parkway Avenue
  Trenton, NJ 08625
  Phone: (609)-530-3733
  Fax: (609)-530-2704
  email: John.Jamerson@dot.state.nj.us

New York
  Ms. Priscilla Duskin
  Engineer Geologist III
  NYDOT, Geotechnical Engineering Bureau
  1220 Washington Avenue, Building 7
  Albany, NY 12232-0863
  Phone: (518)457-4731
  Fax: (518)457-8080
  E-Mail: pduskin@gw.dot.state.ny.us

North Dakota
  Mr. William Dodd
  N. Dakota Public Service Commission
  State Capital
  Bismarck, ND 58505-0480
  Phone: (701)328-4101
  Fax: (701)328-2410
  E-Mail: wdodd@nd.gov

Ohio
  Mr. Kirk Beach
  Geologist
  ODOT, Office of Geotechnical Engineering
  1600 W. Broad Street
  Columbus, Ohio 43223
  Phone: (614)275-1342
  Fax: (614)275-1354
  E-Mail: Kirk.Beach@dot.state.oh.us

  Mr. Gene Geiger
  Geotech. Design Coord.
  ODOT, Office of Geotechnical Engineering
  1600 W. Broad Street
  Columbus, Ohio 43223
  Phone: (614)275-1318
  Fax: (614)275-1354
  E-Mail: Gene.Geiger@dot.state.oh.us

Ontario, Canada
  Mr. Chris Hamblin
   Project Manager
   Abandoned Mines Rehabilitation Fund
   4th Floor, 933 Ramsey Lake Road
   Sudbury, Ontario
   Canada, P3E 6B5
   Phone: (705) 670-5806 or
        1-888-415-9845 ext. 5806
   Cell: (705)670-4952
   Fax: (705)670-5803
   E-Mail: chris.hamblin@ndm.gov.on.ca

Pennsylvania
  Mr. Ken Rush
  Materials Manager
  Pennsylvania Department of Transportation
  1118 State Street
  Harrisburg, PA 17120
  Phone: (717)787-1327
  Fax: (717)783-5955
  E-Mail: kerush@state.pa.us

  Mr. Richard W. Schutte P.G.,
   Engineering Geologist
  Pennsylvania Department of Transportation
  District 11-O
  45 Thoms Run Road
  Bridgeville, PA 15017
  Phone: (412)429-4922
  Fax: (412)429-5069
  E-Mail: rwschutte@hotmail.com

  Mr. David Whitlatch
  District Geotechnical Engineer
  PENNDOT District 12
  P.O. Box 459
  Uniontown, PA 15401
  Phone: (724)439-7357
  Fax: (724)430-4402
  E-mail: dwhitlatch@state.pa.us

Pennsylvania Turnpike
  Mr. Kenneth M. Heirendt
  P.G., Manager-Geotech.Engr
  Pennsylvania Turnpike Commission
  2200 North Center Avenue
  New Stanton, PA 15672
  Phone: (724)755-5187
  Fax: (724)755-5142
  E-Mail: kheirend@paturnpike.com

Virginia
  Mr. S. L. Hite
  Assistant State Materials Engineer
  Virginia Department of Transportation
  1401 East Broad Street
  Richmond, Virginia 23219
  Phone: (804)328-3108
  Fax: (804)328-3136
  E-Mail: Stanley.Hite@VirginiaDOT.org

West Virginia
  Mr. Kyle Stollings
  WVDOT
  Building 5 - Room A650
  1900 Kanawha Boulevard East
  Engineering Division-Technical Section
  Charleston, West Virginia 25305-0430
  Phone: (304)558-0601
  Fax: (304)558-4344
  E-Mail: kstollings@dot.state.wv.us