| Category | Item Name | Item Title | Item | Remarks |
|---|---|---|---|---|
| ILEC Publications | Databook of World Lake Environments (North America) | Lake Superior | nam-04.html | |
| GEF/WB/ILEC LBMI Project | Lake Superior | 12_Great_Lakes_of_North_America_27February2006.pdf |
| Category | Item Name | Item Title | Item | More Info. |
|---|---|---|---|---|
| D. Physiographic Features | D0 Sketch map | Areas of concern | nam04-15.gif | |
| D1 Geographical | Bathymetric map | nam04-01.gif | ||
| E. Water Quality | E1 Transparency | Area distribution of Secchi disc readings | nam04-02.gif | |
| E2 pH | Surface water profile | nam04-03.gif | ||
| E4 DO | Horizontal profile (1971) | nam04-04.gif | ||
| E6 Chlorophyll | Mean concentration horizontal profile (1970-1971) | nam04-05.gif | ||
| E7 Nitrogen and E8 Phosphorus | Inorganic-N, mean concentrations, horizontal profile (1971) | nam04-06.gif | ||
| E8 Phosphorus | T-P, mean concentrations, horizontal profile (1971) | nam04-07.gif | ||
| T-P, mean concentrations, horizontal profile (1971) | nam04-08.gif | |||
| F. Biological Features | F4 Biomass | Nearshore phytoplankton standing crop | nam04-09.gif | |
| I. Deterioration and Hazards | I2 Toxic Contamination | Dieldrin residues (1967-1983) | nam04-12.gif | |
| Mercury residues (1969-1983) | nam04-13.gif | |||
| PCB, horizontal profile in sediments | nam04-14.gif | |||
| Total DDT residues (1967-1983) | nam04-10.gif | |||
| Total PCB residues (1967-1983) | nam04-11.gif |
| Category | Item Name | Item Title | Item | More Info. |
|---|---|---|---|---|
| D. Physiographic Features | D2 Climatic | Mean temp. precip. monthly (1943-1980); Water temp. monthly (1937-1969) | nam-04-d2.xls | |
| G. Socio-economic Conditions | G1 Land Use | Natural, agricultural, residential | nam-04-g1.xls | |
| G2 Industries | Primary, Secondary, others on gross product, no. persons, no. establishments | nam-04-g2.xls | ||
| G3 Population | Population, pop. density (1970), major cities (Duluth, etc.) | nam-04-g3.xls | ||
| H. Lake Utilization | H2 Lake as Water Resource | Domestic, irrigation, industrial, hydropower, mining (1975) | nam-04-h1.xls | |
| I. Deterioration and Hazards | I2 Toxic Contamination | Trace organics, heavy metals in lake sediments | nam-04-i2.xls | |
| I4 Acidification | pH, Monthly | nam-04-i4.xls | ||
| J. Wastewater Treatment | J2 Nutrient Loads | By point and nonpoint sources (1976) | nam-04-j2.xls |
| Category | Item Name | Item Title | Item | More Info. |
|---|---|---|---|---|
| Photos | Scenery | A view from the lakeside hill at Duluth | nam04.jpg |