TY - BOOK AU - Black,Peter E. TI - Watershed Hydrology SN - 013946591X AV - GB980 .B57 1990 U1 - 551.48 20 PY - 1991/// CY - Englewood Cliffs, N.J. PB - Prentice Hall KW - Watersheds N1 - Includes bibliographical references (p. 313-364) and indexes ER -