The development of the forest land resources of the Luquillo Mountains Puerto Rico
Wadsworth, Frank Harold
The development of the forest land resources of the Luquillo Mountains Puerto Rico Frank H. Wadsworth. - Ann Arbor, Mich. University of Michigan 1949. - xiii, 481 p. ill.
Typescript (photocopy) Ann Arbor, Mich.; University Microfilm International.
Thesis (PhD.) -- University of Michigan, 1949.
Bibliography : p. [464]-481.
Puerto Rico
The development of the forest land resources of the Luquillo Mountains Puerto Rico Frank H. Wadsworth. - Ann Arbor, Mich. University of Michigan 1949. - xiii, 481 p. ill.
Typescript (photocopy) Ann Arbor, Mich.; University Microfilm International.
Thesis (PhD.) -- University of Michigan, 1949.
Bibliography : p. [464]-481.
Puerto Rico