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SDDOT / Materials & Surfacing / Geotechnical / Geotech Contacts Geotechnical Contacts Mailing Address:  Becker-Hansen Building, 700 E. Broadway Ave., Pierre, SD 57501 Fax:  (605) 773-5867 Name Title Phone E-Mail Address Joe Feller Chief Materials & Surfacing Engineer (605)773-3401 joe.feller@state.sd.us Janice Reede Secretary (605)773-3401 janice.reede@state.sd.us Kevin Griese Geotechnical Engineer (605)773-3870 kevin.griese@state.sd.us Michael Young Fabrication Technician (605)773-6884 michael.young@state.sd.us Foundation Contacts Name Title Phone E-Mail Address Dan Vockrodt Foundation Engineer (605)773-4466 dan.vockrodt@state.sd.us John Weeldreyer Asst. Foundation Engineer (605)773-8174 john.weeldreyer@state.sd.us Nena Nelson Lab Technician / Draftsman (605)773-3855 nena.nelson@state.sd.us Gary Olivier Drilling Manager (605)773-2575 Cell: 280-4638 gary.olivier@state.sd.us Michael Burrer Chief Driller (605)773-8385 mike.burrer@state.sd.us Dustin Hight Driller (605)773-8384 dustin.hight@state.sd.us Gerald Krom Driller (605)773-8383 gerald.krom@state.sd.us Geology Contacts Name Title Phone E-Mail Address Jay Tople Engineering Geologist (605)773-3788 jay.tople@state.sd.us Soils Contacts Name Title Phone E-Mail Address Bob Longbons Soils Engineer (605)773-3725 bob.longbons@state.sd.us Ralph Bush Soils Lab Technician (605)773-2735 ralph.bush@state.sd.us Eric Mack Soils Drill Crew Chief (605)773-3799 Cell: 280-4624 eric.mack@state.sd.us

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