Hill, Robert Thomas, 1858-1941.

Notes on the forest conditions of Porto Rico / by Robert T. Hill. - Washington, D.C. : Dept. of Agriculture, Forestry Division, 1899. - 48 pages, 9 leaves of plates : illustrations ; 23 cm. - Bulletin / Forestry Division ; no. 25 . - Bulletin (United States. Division of Forestry) ; no. 25. .

agr09000403


Forests and forestry--Puerto Rico.
Forests and forestry.


Puerto Rico.

SD152.P8 / H5

634.9

1 / F76B no.25

A 13.3:25