Exploration no. 50063 from Subsurface document no. 9105
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Exploration no. 50063 is a Cone penetrometer (depth 2 feet) named: PP-3 described in subsurface document no. 9105. The document, a report titled SR-18, Maple Valley Interchange was prepared by WA State Dept. of Transportation on 08-28-1998 for a Roadway project.