TY  - BOOK
AU  - Carter,Oliver Reuben
TI  - Soil survey, area de Valle de Lajas, Lajas Valley area, Puerto Rico
T2  - [United Soil Conservation Service] Soil survey
PY  - 1965///
CY  - Washington]
PB  - U.S. Dept. of Agriculture, Soil Conservation Service
KW  - Soil-survey
KW  - Puerto Rico
KW  - Local
KW  - Lajas Valley area
KW  - Soil
N1  - Cover title; "Literature cited" : p. 170
ER  -