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. 49
[U.S. Environmental Protection Agency, National Eutrophication Survey] with the cooperation of the Wisconsin Department of Natural Resources and the Wisconsin National Guard
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 56
[U.S. Environmental Protection Agency, National Eutrophication Survey] with the cooperation of the Wisconsin Department of Natural Resources and the Wisconsin National Guard
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 59
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. 37
[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. 57
[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. 70
[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. 66
[U.S. Environmental Protection Agency, National Eutrophication Survey] with the cooperation of the Wisconsin Department of Natural Resources and the Wisconsin National Guard
Date
1974
Series
Working paper / National Eutrophication Survey ; no. 58
[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. 61
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. 30