na INLIS000000000053884 20220416121805 0010-0422000434 ta 220416 g 0 eng 0-442-21222-4 624.131 624.131 GRA b GRAY, Donald H. Biotechnical slope protection and erosion control / Donald H. Gray; Andrew T. Leiser New York : Van Nostrand Reinhold Company, 1982 xiv, 271 p. : ill. ; 28 cm. Index p. 267-271 SOIL MECHANICS LEISER, Andrew T. 3074/84