TY  - BOOK
AU  - Boccheciamp,Rafael A.
TI  - Soil survey of the Humacao area of eastern Puerto Rico
PY  - 1977///]
CY  - [Washington]
PB  - Soil Conservation Service
KW  - Soil surveys
KW  - Puerto Rico
KW  - Humacao
KW  - Maps
KW  - Local
KW  - Soil
ER  -