Exploration no. 99003 is a Geotechnical (depth 59 feet) named: RD3-G06 described in subsurface document no. 31007. The document, a report titled Thea Foss and Wheeler-Osgood Waterways, Round 3 Data Evaluation and Pre-Design Evaluation Report was prepared by Hart-Crowser and Associates, Inc. on 03-01-1998 for a Industrial project.