20220428 11242300 1.0 TRUE Head of Tide This dataset was created by Randall Sounhein (2000) from the "Heads of Tide for Coastal Streams in Oregon " study conducted by the Department of State Lands in March 1989. All digitization was conducted against 1:24,000 USGS Quads and 1:24,000 Digitial Ortho Quads of 1996 vintage. Datasets was verified by Greg Willnow and R. Sounhein both inhouse and on site visits.