00813nam a2200241Ia 4500 4809 BIBL 20160527184104.0 910918s1991 pr ab grb f000100eng0d evl90007631 eng EVLP P.R. 551.49 G776g c1 551.4/9 P.R. 551.49 G776g Graves, Robert P. 230586 Local Ground-water resources in Lajas Valley, Puerto Rico by Robert P. Graves. San Juan, P.R. Department of the Interior 1991. vi, 55 p. ill., maps Water resources investigations report 89-4182 187441 Local Geology Puerto Rico Lajas. 101964 Local Water supply Puerto Rico Lajas. 187448 Local Puerto Rico 155382 Local 4256 4256 0 0 0 551_490000000000000_G776_G 0 ci 45919 10 10 B 2016-05-27 6212 0 551.49 G776 g 80000001523011 2016-05-27 00:00:00 r:4809 z:NCC:D 6