Exploration no. 103252 is a Geotechnical (depth 82 feet) named: B-1 described in subsurface document no. 35248. The document, a report titled Report of Foundation Investigation, Proposed Senior Center Olympia Ave and Columbia St by Dames and Moore, May 11, 1984; J No. 5502-010-05 was prepared by Dames and Moore, Inc. on 04-23-1984 for a Retail / commercial building project.