Exploration no. 118067 is a Geotechnical (depth 85.5 feet) named: TH-9-01 described in subsurface document no. 48089. The document, a report titled Geotechnical Report, SR-543 MP 0.20 to MP 1.09 I-5 to International Boundary Widening and Border X-ing Improvements was prepared by WA State Dept. of Transportation on 08-02-2002 for a Roadway project.