TY  - BOOK
AU  - Fettke,Charles R.
TI  - The geology of the Humacao district, Porto Rico
T2  - Scientific survey of Porto Rico and the Virgin Islands / New York Academy of Sciences
PY  - 1924///
CY  - New York
PB  - New York Academy of Sciences
KW  - Geology
KW  - Puerto Rico
KW  - Humacao
KW  - Local
N1  - Bibliography: p. 197
ER  -