nam a22 7a 4500 258695 258695 000423402 OCoLC 20170404121413.0 940821s1994 pr ab b f000 0 eng d (OCoLC)31035074 GPO GPOO 0624-B I 19.42/4:91-4183 I 19.42/4:91-4183 I 19.42/4:91-4183 Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico by Orlando Ramos-Gines; prepared in cooperation with the Puerto Rico Department of Agriculture San Juan, PR Denver, CO U.S. Dept of the Interior, U.S. Geological Survey 1994 iv, 22p ill, maps 28 cm Shipping List no: 94-0276-P Includes Bibliographical references (p.21-22) Puerto Rico Santa Isabel Region Department of Agriculture paper http://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0624B&SYS=000423402 ddc 6 0 0 ddc 0 0 10 10 5 2017-04-04 0 I 19.42/4:91-4183 80000002565508 2017-04-04 00:00:00 2017-04-04 6