00000cem a22000004a 4500 UP-99796217605365080 Buklod 20230503092542.0 m |o d | ta 040814s xx |||||| | || | ||eng d (iLib)UPD-00000325197 DSURP eng Slope map, province of Isabela the social environmental impact of the Magat river project. Scale 1:200,000. Quezon City Institute of Planning Univ. of the Phils. 1973. 1 map tracing paper 80 x 74 cm. Map folio, province of Isabela sheet 3. Slopes Philippines Isabela Maps. Map FI UPD DSURP Map