Exploration no. 103228 is a Geotechnical (depth 7 feet) named: BH-4 described in subsurface document no. 35232. The document, a report titled Enivironmental Site Assessment Final Report of the Yard Birds Property Olympia, Washington by Enviros, Inc., June 1, 1994; J No. E1/ 940109.02 was prepared by Enviros, Inc. on 02-02-1994 for a Retail / commercial building project.