Thoth, God of Knowledge:
Red clay erosion - sediment plume in Lake Superior - epa.gov
Thoth, God of Knowledge:
Lake Michigan dunes with power plant in background - epa.gov
Thoth, God of Knowledge:
Dredging, Duluth, Minnesota-epa.gov
Thoth, God of Knowledge:
Dredge, Lake Michigan - Center for Great Lakes and Aquatic Sciences - epa.gov
Thoth, God of Knowledge:
Calumet Park, Illinois - epa.gov
Thoth, God of Knowledge:
Deformed, dead chicks, Unknown Location-Lake Michigan Federation-epa.gov
Thoth, God of Knowledge:
Growth on long-nosed sucker, Unknown Location-Center for Great Lakes and Aquatic Sciences- epa.gov