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.