TY  - RPRT
TI  - Southern Patagonia—Glacial events between 4 m.y. and 1 m.y. ago
AU  - John H. Mercer
AU  - Robert J. Fleck
AU  - Edward A. Mankinen
AU  - Walter Sander
PY  - 1975
UR  - https://pubs.usgs.gov/publication/70197180
ID  - 70197180
ER  -