Exploration no. 117900 is a Geotechnical (depth 30.2 feet) named: H-5-99 described in subsurface document no. 48080. The document, a report titled Cut and Fill Stability Recommendations SR-104 MP 7.75 to 8.85 SR-19 Westbound Passing/Truck Lane was prepared by WA State Dept. of Transportation on 04-12-1999 for a Roadway project.