TY  - BOOK
AU  - Wright,Charles Will
TI  - The Porcupine placer district, Alaska,
T2  - U.S. Geological survey. Bulletin
AV  - QE75 .B9 no. 236
PY  - 1904///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Geology
KW  - Alaska
KW  - Gold mines and mining
N1  - Subject series: A, Economic geology, 37; B, Discriptive geology, 42
ER  -