TY  - RPRT
TI  - Geologic reconnaissance of Semisopochnoi Island, western Aleutian Islands, Alaska
AU  - Robert Roy Coats
PY  - 1959
DO  - 10.3133/b1028o
UR  - https://pubs.usgs.gov/publication/b1028O
ID  - b1028O
ER  -