Soil survey, Puerto Rico ... Department of Agriculture, Bureau of Plant Industry in cooperation with the University of Puerto Rico Agricultural Experiment Station.
Roberts, Ray Carlton
Soil survey, Puerto Rico ... Department of Agriculture, Bureau of Plant Industry in cooperation with the University of Puerto Rico Agricultural Experiment Station. - Washington [U.S. Govt. Print. Off. 1942] - 503 p. illus., charts, maps., and atlas of 6 fold. maps. 23 cm. - United States. Bureau of Plant Industry [Soil survey report] Series 1936, no. 8 .
Cover title.
"Literature cited": p. 492-495.
agr42000238
Soil surveys--Puerto Rico.
Puerto Rico
S591 / .A22 1936, no.8
631.470973
1So32 S591.A22 1936, no. 8 / F 1936, no. 8
Soil survey, Puerto Rico ... Department of Agriculture, Bureau of Plant Industry in cooperation with the University of Puerto Rico Agricultural Experiment Station. - Washington [U.S. Govt. Print. Off. 1942] - 503 p. illus., charts, maps., and atlas of 6 fold. maps. 23 cm. - United States. Bureau of Plant Industry [Soil survey report] Series 1936, no. 8 .
Cover title.
"Literature cited": p. 492-495.
agr42000238
Soil surveys--Puerto Rico.
Puerto Rico
S591 / .A22 1936, no.8
631.470973
1So32 S591.A22 1936, no. 8 / F 1936, no. 8