TY  - BOOK
AU  - Richards,Ralph Webster
AU  - Mansfield,George Rogers
TI  - Geology of the phosphate deposits northeast of Georgetown, Idaho
T2  - U.S. Geological survey. Bulletin 577
AV  - QE75 .B9 no. 577
PY  - 1914///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Phosphates
KW  - Idaho
N1  - Includes index
ER  -