Tiedemann.D.A. Coffey.C.T. SOIL MOISTURE CHANGES BENEATH A CANAL Lower Cost Canal Lining Program - UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION UNITED STATES 1966 - 17p. ILL.,Cht.,Fig and Table - Report No. EM-725 . Nat. Bib. No.: 4033 Subjects--Topical Terms: Engineering Universal Decimal Class. No.: 626.823.91 / SOI