Soil survey, Puerto Rico ...
Contributors: Agricultural Experiment Station, Rio Piedras
Series: United States.  Bureau of plant industry.  [Soil survey report] Series 1936 -- no. 8
Publisher: [U.S. Govt. print. off.
Published: 1942
Place of publication: Washington
Language: eng
Number of pages: 503
Subjects: Soils -- Puerto Rico
Notes: In cooperation with the University of Puerto Rico Agricultural experiment station.

Maps in portfolio.

"Literature cited": p. 492-495.