TY  - BOOK
AU  - Eckel,Edwin Butt
TI  - Geology and mineral resources of Paraguay, a reconnaissance.
AV  - QE75 .P9 no. 327
U1  - 558.92 
PY  - 1959///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Paraguay
KW  - Mines and mineral resources
KW  - Petrology
KW  - Soils
N1  - Bibliography : p. 101-105
ER  -