TY  - RPRT
TI  - Geochemistry of surface sediments of Minnesota lakes
AU  - Walter E. Dean
AU  - Eville Gorham
AU  - Dalway J. Swaine
PY  - 1993
DO  - 10.1130/spe276-p115
UR  - https://pubs.usgs.gov/publication/70207741
ID  - 70207741
ER  -