William, R. C. Sedimentation in three small forested drainage basins in the Alsea R iver Basin, Oregon / R. C. Williams. - Washington, D.C. : Geological Survey, 1964. - 16 p. : ill. ; 26 cm. - Geological Survey circular ; 490 . Subjects--Topical Terms: River sediments. Gov. Doc. Class. No.: G.US I53 (08) 1/490