Records of wells and springs, water levels, and quality of ground water in Lewis County, Washington

This report covers an irregularly shaped area of about 830 square miles in the west and central parts of Lewis County, including most of its populated part. The area mapped spans the county from north to south within the Puget Trough and includes valleys extending eastward and westward up the major streams. The investigation was concentrated chiefly in the basins of the Cowlitz, Chehalis, and Newaukum Rivers.