Exploration no. 118089 is a Geotechnical (depth 49.5 feet) named: H-4-03 described in subsurface document no. 48090. The document, a report titled Final Geotechnical Recommendations for Grading SR-270 Pullman to Moscow Realignment Project was prepared by WA State Dept. of Transportation on 04-10-2005 for a Roadway project.