Canyonlands Field Airport
Airports

Geotechnical Engineering and Site Investigation.
Yeh and Associates, Inc. is a Denver, Colorado geotechnical engineering and construction management firm established in 1999. Specializing in geotechnical investigation, geologic hazard evaluation, foundation design, pavement design, rock slope stability, and geotechnical instrumentation, Yeh and Associates serves transportation, infrastructure, airports, rail, tunnel, and commercial clients across the US with a Pacific Region presence in California.
Shan-Tai YehPresident and Founder
Todd SchlittenhartDirector of Engineering Services
Calvin YehDirector of Administrative Services
Clinton MoyerDirector of Construction Services
Jon BlanchardDirector of Pacific Region
Pete MertesDirector of Branch Management
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