TY  - BOOK
AU  - Hedge,Edwin T.
TI  - The geology of the Coamo-Guayama District, Porto Rico
T2  - Scientific survey of Porto Rico and the Virgin Islands / New York Academy of Sciences
PY  - 1920///
CY  - New York
PB  - New York Academy of Sciences
KW  - Geology
KW  - Puerto Rico
KW  - Coamo-Guayama
KW  - Local
N1  - Bibliography: p. 227
ER  -