[U.S. Environmental Protection Agency, National Eutrophication Survey] with the cooperation of the Wisconsin Department of Natural Resources and the Wisconsin National Guard
Date
1975
Series
Working paper / National Eutrophication Survey ; no. 67
U.S. Environmental Protection Agency, National Eutrophication Survey ; [prepared by] Pacific Northwest Environmental Research Laboratory and National Environmental Research Center, Las Vegas, Nevada
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 33
U.S. Environmental Protection Agency, National Eutrophication Survey ; [prepared by] Pacific Northwest Environmental Research Laboratory and National Environmental Research Center, Las Vegas, Nevada
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 36
[U.S. Environmental Protection Agency, National Eutrophication Survey] with the cooperation of the Wisconsin Department of Natural Resources and the Wisconsin National Guard
Date
1975
Series
Working paper / National Eutrophication Survey ; no. 63
U.S. Environmental Protection Agency, National Eutrophication Survey ; [prepared by] Pacific Northwest Environmental Research Laboratory and National Environmental Research Center, Las Vegas, Nevada
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 45
U.S. Environmental Protection Agency, National Eutrophication Survey ; [prepared by] Pacific Northwest Environmental Research Laboratory and National Environmental Research Center, Las Vegas, Nevada
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 34