00646nam a2200169Ia 4500001000700000003000500007005001700012008004100029100003500070245010800105260005200213300002300265500008100288502005100369504003300420651002300453133212BIBL20160527192439.0931027|1949||||miua   ||b   ||||1||eng|d1 aWadsworth, Frank Harold2Local14aThe development of the forest land resources of the Luquillo Mountains Puerto RicocFrank H. Wadsworth.  aAnn Arbor, Mich.bUniversity of Michiganc1949.  axiii, 481 p.bill.  aTypescript (photocopy) Ann Arbor, Mich.; University Microfilm International.  aThesis (PhD.) -- University of Michigan, 1949.  aBibliography : p. [464]-481. 0aPuerto Rico2Local