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Cornerstone publications and other news are available for our clients and professional contacts. Over 1200 contacts are currently receiving our publications via mail and email. If you would like to receive these publications, please email your request to publications@cornerstoneearth.com and indicat...

Geotechnical Principals C. Barry Butler, P.E., G.E. Principal Engineer bbutler@cornerstoneearth.com John R. Dye, P.E., G.E. Principal Engineer jdye@cornerstoneearth.com Scott E. Fitinghoff, P.E., G.E. Principal Engineer sfitinghoff@cornerstoneearth.com Laura C. Knutson, P.E., G.E. Principal Engineer...

Cornerstone Earth Group integrates geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team to facilitate cost-effective site selection, project design, and site development. Our technical capabilities and construction and re...

Our Services Include: Phase I Environmental Site Assessments Preliminary Endangerment Assessments Vicinity Hazardous Materials Risk Appraisals Soil and Ground Water Quality Investigations Imported Soil Quality Documentation Soil Vapor Intrusion Evaluations Contaminant Fate and Transport Modeling Aqu...