| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D2 Climatic | 
                                Mean temp. precip. monthly (1944-1988); Water temp, monthly (1975) | 
                    
nam-38-d2.xls
                            
                
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                                 | E. Water Quality | 
                                                     E1 Transparency | 
                                Monthly (1972-1975, 1964-1975) | 
                    
nam-38-e1.xls
                            
                
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                                     E2 pH | 
                                Monthly, by depth (1975, 1974, 1980-1986) | 
                    
nam-38-e2.xls
                            
                
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                                     E4 DO | 
                                Monthly, by depth (1975, 1974, 1980-1986) | 
                    
nam-38-e4.xls
                            
                
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                                     E6 Chlorophyll | 
                                Monthly (1988) | 
                    
nam-38-e6.xls
                            
                
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                                     E7 Nitrogen | 
                                NO2-N and NO3-N, monthly (1980-1986) | 
                    
nam-38-e7.xls
                            
                
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                                     E8 Phosphorus | 
                                T-P, monthly (1988, 1980-1986) | 
                    
nam-38-e8.xls
                            
                
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                                     E9 Chloride, EC and Conductivity | 
                                Cl, monthly (1980-1986) | 
                    
nam-38-e9.xls
                            
                
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                                     E10 Past Trends | 
                                Transparency (1965-1977, 1964-1976) | 
                    
nam-38-e10.xls
                            
                
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                                 | G. Socio-economic Conditions | 
                                                     G1 Land Use | 
                                Natural, agricultural, residential, others | 
                    
nam-38-g1.xls
                            
                
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                                     G2 Industries | 
                                Primary, secondary, tertiary (1970) | 
                    
nam-38-g2.xls
                            
                
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                                 | H. Lake Utilization | 
                                                     H2 Lake as Water Resource | 
                                Domestic | 
                    
nam-38-h2.xls
                            
                
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                                 | I. Deterioration and Hazards | 
                                                     I1 Siltation | 
                                Shore length, none, slight, moderate and severe % | 
                    
nam-38-i1.xls
                            
                
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                                     I2 Toxic Contamination | 
                                Heavy metals and trace organics in water, fish, etc. Not well known | 
                    
nam-38-i2.xls
                            
                
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                                     I3 Eutrophication | 
                                T-P from source types (1973) | 
                    
nam-38-i3.xls
                            
                
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                                 | J. Wastewater Treatment | 
                                                     J2 Nutrient Loads | 
                                Nonpoint, point % | 
                    
nam-38-j2.xls
                            
                
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