TY  - BOOK
AU  - Chapin,Theodore Sheffield
TI  - The Nelchina-Susitna region, Alaska,
T2  - U.S. Geological survey. Bulletin 668
AV  - QE75 .B9 no. 668
PY  - 1918///
CY  - Washington
PB  - Govt. print. off.
KW  - Geology
KW  - Alaska
N1  - At head of title: Department of the interior
ER  -