![](/img/cover-not-exists.png)
Twentieth century water quality trends in Minnesota lakes compared with presettlement variability
Ramstack, Joy M, Fritz, Sherilyn C, Engstrom, Daniel RVolume:
61
Journal:
Canadian Journal of Fisheries and Aquatic Sciences
DOI:
10.1139/f04-015
Date:
April, 2004
File:
PDF, 1.06 MB
2004