TY  - RPRT
TI  - Geology of the Biwabik Iron Formation and Duluth Complex
AU  - M.A. Jirsa
AU  - J.D. Miller
AU  - G. B. Morey
PY  - 2008
DO  - 10.1016/j.yrtph.2007.09.009
UR  - https://pubs.usgs.gov/publication/70033444
ID  - 70033444
ER  -