TY - BOOK AU - Hall,Michelle K. TI - Exploring water resources SN - 0495115126 (pbk.) U1 - 551.48 22 PY - 2007///] CY - Belmont, CA : PB - Thomson /Brooks/Cole KW - Hydrology KW - Data processing KW - BUEsh KW - Geographic information systems UR - http://www.loc.gov/catdir/toc/fy0708/2006906789.html ER -