Fowler, K. H. Preliminary report on ground water in the Salmon Falls Area, Twin Fa lls County, Idaho / K. H. Fowler. - Washington, D.C. : The U.S. Geological Survey, 1960. - 17 p. ; 27 cm. - Geological Survey Circular ; no.436 . Includes bibliographical references. Subjects--Corporate Names: United States Department of the Interior. Gov. Doc. Class. No.: G. U.S. I53 (08) 1/436