TY  - RPRT
TI  - Observations on the junction between the Eastern sandstone and the Keweenaw series on Keweenaw Point, Lake Superior
AU  - Roland Duer Irving
AU  - Thomas C. Chamberlin
PY  - 1885
DO  - 10.3133/b23
UR  - https://pubs.usgs.gov/publication/b23
ID  - b23
ER  -