| Category | Item Name | Item Title | Item | More Info. | 
                                            
                                 | D. Physiographic Features | D2 Climatic | Mean temp. precip. monthly (1951-1980); Water temp. monthly, by depth (1984) | nam-49-d2.xls |  | 
                    
                                 | E. Water Quality | E1 Transparency | Monthly (1984) | nam-49-e1.xls |  | 
                    
                        |  | E2 pH | Monthly, by depth (1982) | nam-49-e2.xls |  | 
                    
                        |  | E3 SS, Solids | Monthly, by depth (1981) | nam-49-e3.xls |  | 
                    
                        |  | E4 DO | Monthly, by depth (1983) | nam-49-e4.xls |  | 
                    
                        |  | E5 COD | Monthly, by depth (1984) | nam-49-e5.xls |  | 
                    
                        |  | E6 Chlorophyll | Monthly (1984) | nam-49-e6.xls |  | 
                    
                        |  | E7 Nitrogen | Total Kjeldahl-N+NO#-N, monthly, by depth (1984) | nam-49-e7.xls |  | 
                    
                        |  | E8 Phosphorus | T-P, monthly (1987) | nam-49-e8.xls |  | 
                    
                        |  | E9 Chloride, EC and Conductivity | T-P, monthly. by basin (1984) | nam-49-e9.xls |  | 
                    
                                 | G. Socio-economic Conditions | G1 Land Use | Natural, agricultural, others (1976) | nam-49-g1.xls |  | 
                    
                        |  | G2 Industries | Primary, secondary and tertiary (1981) | nam-49-g2.xls |  | 
                    
                        |  | G3 Population | Population and pop. density for total (1986) | nam-49-g3.xls |  | 
                    
                                 | I. Deterioration and Hazards | I2 Toxic Contamination | Heavy metals in Yellow perch(1986) | nam-49-i2.xls |  | 
                    
                        |  | I3 Eutrophication | T-P loadings from sources (1974) | nam-49-i3.xls |  | 
                    
                                 | J. Wastewater Treatment | J2 Nutrient Loads | Nonpoint vs. point, % | nam-49-j2.xls |  |