Mike Hernbroth - Street Smart 0:21
Charles Gutierrez - YMPO 7:58
Alf Wold - Alpha Geotechnical and Materials 20:20
James Lemmon - ADOT 29:24
Brian Lizzet and Kyle Patterson - CEI 45:23
Bill Fay - ADOT 55:16
Justan Rice - ACEC Arizona 1:11:01
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