CORE GEOENGINEERING <br />4207 SE Woodstock Blvd <br />Portland, Oregon 97206 <br />T. (503) 509-9115 <br />www.core-geoengineering.com <br /> <br /> <br />GEOTECHNICAL SOIL INFILTRATION INVESTIGATION <br /> <br />2610 Cal Young Road <br />Eugene, Oregon 97401 <br />Lane County Tax Lot 1703204101300 <br /> <br />Prepared for: <br />Mr. Colby Graham <br />KJH Exchange LLC <br />835 Sand Avenue <br />Eugene, Oregon 97401 <br /> <br />CORE GeoEngineering Project No. 25-1127 <br />January 23, 2026 <br />