TY  - BOOK
AU  - Bastin,Edson S.
TI  - Economic geology of the feldspar deposits of the United States,
T2  - U.S. Geological survey. Bulletin
AV  - QE75 .B9 no. 420
PY  - 1910///
CY  - Washington
PB  - Govt. print. off.
KW  - Feldspar
KW  - United States
ER  -