Exploration no. 118008 is a Geotechnical (depth 4 feet) named: H-123-83 described in subsurface document no. 48086. The document, a report titled Geotechnical Recommendations, SR-405 and SR-167 Interchange Flyover Ramp was prepared by WA State Dept. of Transportation on 08-05-1999 for a Roadway project.