| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D2 Climatic | 
                                Mean temp. precip. monthly (1950-1980); Water temp. monthly, by depth (1977-1988) | 
                    
nam-51-d2.xls
                            
                
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                                 | E. Water Quality | 
                                                     E1 Transparency | 
                                Monthly, by location (1983-1984, 1979-1984) | 
                    
nam-51-e1.xls
                            
                
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                                     E2 pH | 
                                Monthly, by location (1983-1984, 1984) | 
                    
nam-51-e2.xls
                            
                
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                                     E4 DO | 
                                Monthly, by depth, by location (1971-1988, 1988) | 
                    
nam-51-e4.xls
                            
                
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                                     E6 Chlorophyll | 
                                Monthly, 0-10m, by location (1987) | 
                    
nam-51-e6.xls
                            
                
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                                     E7 Nitrogen | 
                                T-N, monthly, 0-10m,20-45m, by location (1979-1987, 1979) | 
                    
nam-51-e7.xls
                            
                
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                                     E8 Phosphorus | 
                                T-P, monthly, 0-10m,20-45m, by location (1971-1987, 1979-1986) | 
                    
nam-51-e8.xls
                            
                
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                                 | G. Socio-economic Conditions | 
                                                     G1 Land Use | 
                                Natural, agricultural, residential, others (1970) | 
                    
nam-51-g1.xls
                            
                
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                                     G2 Industries | 
                                Primary, secondary and tertiary (1970) | 
                    
nam-51-g2.xls
                            
                
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                                     G3 Population | 
                                Population and pop. density for total vs. urban and rural (1986) | 
                    
nam-51-g3.xls
                            
                
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                                 | H. Lake Utilization | 
                                                     H2 Lake as Water Resource | 
                                Domestic, irrigation, industrial and others (1979) | 
                    
nam-51-h2.xls
                            
                
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                                 | I. Deterioration and Hazards | 
                                                     I2 Toxic Contamination | 
                                Hg and trace organics,  in water and bottom mud (1987, 1974), and in rainbow trout  (1988) | 
                    
nam-51-i2.xls
                            
                
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                                     I3 Eutrophication | 
                                T-N and T-P loadings from sources (1970, 1980 and 1990) | 
                    
nam-51-i3.xls
                            
                
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                                 | J. Wastewater Treatment | 
                                                     J2 Nutrient Loads | 
                                By source types, % (1970, 1980 and 1987) | 
                    
nam-51-j2.xls
                            
                
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