Puerto Rico
Puerto Rico
by R.C. Roberts.
- Washington, D.C. Department of Agriculture, Bureau of Plant Industry 19-
- 503 p. ill. maps. (pt. fold) photos, tables.
- Serie : 1936- no.8, Soil survey .
Published with the cooperation of University of Puerto Rico Agricultural Experiment Station. At head of title : Soil Survey. Cover title. Includes explanatory notes.
Bibliographical references included in Literature cited (p. 492-495)
aa 28000456
Soil surveys--Puerto Rico.
Agriculture--Puerto Rico.
Puerto Rico
Published with the cooperation of University of Puerto Rico Agricultural Experiment Station. At head of title : Soil Survey. Cover title. Includes explanatory notes.
Bibliographical references included in Literature cited (p. 492-495)
aa 28000456
Soil surveys--Puerto Rico.
Agriculture--Puerto Rico.
Puerto Rico