TY  - RPRT
TI  - Geology of Great Sitkin Island, Alaska
AU  - Frank S. Simons
AU  - Donald E. Mathewson
PY  - 1955
DO  - 10.3133/b1028b
UR  - https://pubs.usgs.gov/publication/b1028B
ID  - b1028B
ER  -