00575cam a2200193 7i4500 0000004259 20061123090000.0 20021223000000.0 xx 00010 eng 1575040271 GB980 .B57 1996 Black Watershed hydrology Peter E. Black. 2nd ed. Boca Raton, Fl.: Lewis Publishers, 1996. xxx,449p.: ill.; 24cm. Includes bibliographical references and index Watersheds 0000011893 Book Open Shelf HQ Library