anchor.diff:  79,GEORGIA,NA,8ALDMINMANCOCK PUTNAM,NA,IMPOUNDMENT,7510.9,82.17,NA,89.3,53,NA,23,82,1.5,NA,NA,0.005,13285,NA,NA,NA,NA,21910,NA,13535,2510005,2545450,175555,31,4.12,2898035,NA,40.9
   81,ILLINOIS,NA,MCLEAN,1703,IMPOUNDMENT,NA,1.97,NA,NA,NA,163,NA,NA,NA,NA,NA,NA,170,NA,NA,-30,4070,490,NA,NA,1135,341255,2935,31,2.17,376795,NA,174.1
   82,ILLINOIS,CARLYLERESERVOIR,BOND CLINTON FAYETTE,1706,NA,NA,NA,NA,NA,NA,124,388,0.6,0.084,0.032,1.27,2.02,9480,NA,20,307130,316630,27565,NA,710,5044240,5072515,193595,39,3.01,4578925,10,40.2
  -83,ILLINOIS,CEDAR,LAKE II  I I ۝,1759,NATURAL,NA,1.15,1.2,NA,NA,142,NA,NA,NA,0.013,NA,1.18,190,NA,15,NA,NA,NA,NA,NA,555,1240,NA,NA,0.2,NA,NA,1
  +83,ILLINOIS,CEDAR,LAKE II  I I ,1759,NATURAL,NA,1.15,1.2,NA,NA,142,NA,NA,NA,0.013,NA,1.18,190,NA,15,NA,NA,NA,NA,NA,555,1240,NA,NA,0.2,NA,NA,1
   84,ILLINOIS,LAKE CHARLESTON,COLES,NA,IMPOUNDMENT,2035.7,1.45,0.9,14.5,1,203,578,0.2,0.16,0.065,4.68,5.49,10430,NA,NA,65715,76145,30365,NA,65,3424695,3455125,78115,NA,52.51,2882870,17,NA
   85,ILLINOIS,NA,,1711,IMPOUNDMENT,NA,NA,NA,5.6,NA,76,NA,NA,1.1,NA,0.012,0.26,NA,NA,NA,85,125,275,NA,NA,NA,NA,NA,699,0.03,NA,NA,NA
   86,ILLINOIS,CRAB ORCHARD LAKE,JACKSON MILLIAMSON,1712,IMPOUNDMENT,520.6,28.19,3,3.4,288,53,265,0.5,0.082,0.013,0.2,0.91,20880,NA,15,58460,79355,NA,62600,NA,570,303900,NA,16160,80,164625,55,13
  
positive.code: 234,NORTH CAROLINA,LAKE HYLIE,"YORK SC, GASTON HECKLENBURG NC",4511,IMPOUNDMENT,7821.8,53.1,7,110.19,39,16,72,1,0.045,0.013,0.38,0.64,175855,NA,30,269070,444955,280360,NA,1130,3378850,3660340,176385,60,8.38,2753045,25,68.9
  238,TENNESSEE,ROUTM ROLSTUN RESERVOIR,"QULLIVQNo IN, HASHINGTIJN VA",4725,IMPOUNDMENT,1920,30.68,NA,NA,25.32,80,166,2.4,0.014,0.008,0.57,0.855,22030,NA,10,31950,53990,61465,NA,335,1330460,1392260,300,NA,1.76,694550,36,45.4
  239,TENNESSEE,CMEATMAM RESERVOIR,NA,NA,IMPOUNDMENT,NA,36602.2,NA,30.15,NA,NA,59,NA,NA,171,0.7,NA,NA,NA,NA,NA,NA,32305,NA,2200,20950475,21705060,NA,4466090,NA,17655215,19,722.6
  240,TENNESSEE,"OLD MICKORT RESERVOIR""۝",DAVIDSON RUTHERFORD; SMITMSUMNER IROUSDALE MILsoN,4720,IMPOUNDMENT,30233.1,91.06,5.6,519,11,52,143,NA,0.3,0.053,0.019,0.33,34500,NA,30,1324525,1359105,36320,NA,2925,16337315,16977060,1497710,NA,14.93,13096625,NA,136.4
  242,TENNESSEE,J PERCY PRIEST HES,DAVIDSON RUTHERFORD,4723,IMPOUNDMENT,2310.3,57.47,8.5,40.58,139,128,255,1.8,0.056,0.021,0.155,0.565,72720,825,30,199240,272815,121335,NA,1920,1170,1443160,244995,10,4.75,1485790,5,27.3
  243,TENNESSEE,CMEROKEE LAKE  IFUIROPMICI,JEFFERSON MAMGLEN GRAINGER MARKINS,4707,IMPOUNDMENT,NA,122.62,14.9,120.6,NA,90,265,1.3,NA,NA,0.051,0.022,34705,NA,30,435065,469800,87185,NA,NA,6738050,6826440,174735,63,3.83,6402390,6,55.7
  244,TENNESSEE,CHICKAMAUGA RESERVOIR,HAMILTON RHEA MEIGS MCMINN,4708,IMPOUNDMENT,53846.1,143.25,5.4,924.8,11,59,160,0.9,0.031,0.012,0.44,0.6,60155,NA,45,1246155,1306355,176255,NA,1790,46174325,46352370,1101375,16,9.12,26652990,42,323.6
  
negative.code: 26,DELAWARE,NOXONTOWN POND,NEH CASTLE,1007,IMPOUNDMENT,24.4,0.64,1.1,0.42,20,32,143,0.5,0.16,0.016,0.53,2.2,475,NA,5,1975,2455,1600,NA,20,39395,41015,1355,45,3.84,22735,45,64.1
  27,DELAWARE,SILVER LAKE,NEU CASTLE,1008,IMPOUNDMENT,19.5,0.15,1.5,0.33,8,26,217,0.9,0.227,0.096,4.75,5.35,2155,NA,5,2710,4870,4845,NA,160,70810,75815,2520,48,32.47,58835,22,505.4
  28,DELAWARE,TRUSSUM POND,SUSSEX,1010,IMPOUNDMENT,38.6,0.22,1.2,0.53,6,10,70,0.9,0.038,0.011,1.28,1.8,NA,NA,1,380,381,NA,NA,20,36640,36660,250,34,1.73,27560,25,166.6
  29,DELAWARE,WILLIAMS POND,SUSSEX,1009,IMPOUNDMENT,59.8,0.34,1.2,1.53,3,18,100,1.3,0.042,0.01,2.01,2.75,NA,NA,5,2215,2220,NA,NA,5,162205,162210,2155,3,6.53,129955,20,477.1
  30,FLORIDA,ALLIGATOR LAKE,COLUMBIA,1201,NATURAL,39.9,1.37,1.5,0.48,50,54,178,0.7,0.62,0.386,0.26,2.59,15130,NA,5,6290,21425,43386,NA,160,39690,83235,11875,45,15.64,43140,48,60.8
  31,FLORIDA,LAKE APOPMA,ORANGE LAKE,1202,NATURAL,476.6,125.4,1.7,2.73,2.5,121,358,0.4,0.102,0.019,0.23,3.77,9645,51265,80,17820,78810,24100,130110,2920,260600,417730,35925,54,0.63,354670,15,3.3
  32,FLORIDA,CRESCENT,FLAGLER PUTNAM,1206,NATURAL,1289.8,70.61,2,10.66,153,18,360,0.7,0.065,0.033,0.13,1.27,1965,NA,15,65345,67325,5895,NA,585,655330,661810,33775,50,0.95,549230,17,9.4
  33,FLORIDA,DOCTORS LAKE,CLAY,1207,NATURAL,58,12.96,3,0.72,1.7,48,815,0.9,0.084,0.028,0.12,1.445,8845,NA,40,1030,9915,26520,NA,1460,54105,82085,2295,77,0.77,70110,15,6.3
  34,FLORIDA,LAKE DORA,LAKE,1208,NATURAL,613.8,22.37,3,3.51,221,105,320,0.4,0.102,0.022,0.24,3.29,2270,NA,55,38690,41015,6800,NA,2155,414935,423890,12450,70,1.83,312365,26,18.9
  35,FLORIDA,EAST LAKE TOHOPEKALIGA,OSCEOLA,1261,NATURAL,797.7,49.3,2.7,6.23,247,10,120,1.5,0.042,0.007,0.07,0.93,4980,NA,30,30720,35730,7940,NA,1065,354645,363650,5025,86,0.72,228820,37,7.4
  36,FLORIDA,LAKE EFFIE,POLK,1209,NATURAL,NA,0.41,1,NA,NA,134,361,0.3,1.48,0.95,0.41,4.9,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  37,FLORIDA,LAKE ELOISE,POLK,1252,NATURAL,14.6,4.69,3,0.05,8.9,82,340,0.9,0.486,0.339,0.17,2.48,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  38,FLORIDA,LAME GEORGE,"PUTNAM,VOLUSIA",1210,NATURAL,9738.4,186.16,3,110.61,58,52,1150,0.8,0.129,0.063,0.165,1.6,14100,NA,45,610725,624870,35200,NA,1665,12638920,12675785,561005,10,3.36,6865460,46,68.1
  39,FLORIDA,LAKE GIBSON,POLK,1211,NATURAL,11.2,1.92,2,0.08,1.7,18,153,0.8,0.167,0.069,0.115,1.25,575,NA,NA,1090,1665,1730,NA,75,6235,8040,420,75,0.87,3970,51,4.2
  40,FLORIDA,GLENADA LAKE,HIGHLANDS,1212,NATURAL,NA,0.72,4.5,NA,NA,15,112,1.2,0.134,0.072,0.165,1.305,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  41,FLORIDA,LAKE GRIFFIN,LAKE,1214,NATURAL,2007.2,35.6,2.9,9.63,124,100,267,0.5,0.119,0.038,0.26,3.45,3900,20195,35,26185,50315,18210,54690,1385,834095,908380,29225,42,1.41,913825,NA,25.5
  42,FLORIDA,LANE HAINES,POLK,1215,NATURAL,21.2,2.9,2.5,0.08,2.9,14,210,0.9,0.063,0.014,0.115,1.09,1515,NA,5,460,1980,2230,NA,255,42670,45155,165,92,0.68,4080,91,15.6
  43,FLORIDA,HORSESHOE LAKE,SEMINOLE,1219,NATURAL,NA,0.38,1.2,NA,NA,10,100,1,0.034,0.023,0.13,0.93,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  44,FLORIDA,LAKE HOWELL,SEMINOLE,1220,NATURAL,71.7,1.6,2.5,1.53,30,67,250,0.9,1.26,1.175,0.285,1.745,35660,NA,15,57935,93610,106945,NA,510,76145,183600,66375,29,58.51,97470,47,114.8
  45,FLORIDA,LAKE ISTOKPOGA,HIGHLANDS,1221,NATURAL,1572.1,112.07,1.8,15.03,155,10,120,0.9,0.039,0.01,0.12,1.06,2520,NA,45,31050,33615,4915,NA,1630,588835,595380,25570,24,0.3,567575,5,5.3
  46,FLORIDA,LAKE JESSIE,POLK,1258,NATURAL,12.6,0.77,2,0.11,162,42,198,1.2,0.051,0.011,0.09,0.89,40,NA,NA,2460,2500,125,NA,NA,7140,7265,160,94,3.25,2990,59,9.4
  47,FLORIDA,LAKE JESSUP,SEMINOLE,1223,NATURAL,388.5,32,1.1,4.97,82,76,818,0.3,0.492,0.288,0.29,2.755,40585,NA,10,94995,135590,80935,NA,395,345760,427090,71750,47,4.24,438290,NA,13.3
  48,FLORIDA,LAKE KISSIMMEE,OSCEOLA,1224,NATURAL,4149.2,141.4,1.8,33.4,88,19,118,0.9,0.034,0.007,0.145,1.515,NA,NA,5,63760,63765,NA,NA,180,1855550,1855730,36865,42,0.45,1478835,20,13.1
  49,FLORIDA,LAWNE LAKE,ORANGE,1249,NATURAL,10.7,0.63,1.1,0.22,36,32,225,0.2,2.56,0.117,1.35,4.77,410,NA,5,9045,9460,1805,NA,85,33320,35210,2830,70,15.02,16220,54,55.9
  50,FLORIDA,LAKE LULU,POLK,1227,NATURAL,20.1,1.22,1.5,0.09,235,74,342,0.4,1.49,1.03,1.065,5.71,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  51,FLORIDA,LAKE MARION,POLK,1228,NATURAL,92.5,12.82,1.3,0.82,235,34,131,0.8,0.044,0.016,0.26,2.22,NA,NA,20,1840,1860,NA,NA,790,62750,63540,1065,43,0.15,54375,14,5
  52,FLORIDA,LAKE MINNEHAHA,ORANGE,1229,NATURAL,4.3,0.39,3,0.14,97,42,180,1.6,0.038,0.012,0.08,0.59,NA,NA,15,230,245,NA,NA,545,3475,4020,185,24,0.63,3855,4,10.3
  53,FLORIDA,LAKE MINNEOLA,LAKE,1230,NATURAL,409.2,7.64,2.7,1.89,128,10,86,2.4,0.018,0.009,0.07,0.53,NA,NA,25,2025,2050,NA,NA,905,51440,52345,1540,25,0.27,125420,NA,6.9
  54,FLORIDA,LAKE MONROE,SEMINDLE VOLUSIA,1231,NATURAL,6682.2,35.5,1.8,NA,10,41,1000,0.6,0.188,0.128,0.3,1.91,30980,NA,10,494085,525075,83535,NA,360,5639895,5723790,543740,NA,14.79,5760010,NA,161.2
  55,FLORIDA,LAKE MUNSON,NA,1247,NATURAL,167.1,1.03,1.5,1.75,11,46,265,0.3,1.475,0.852,0.925,4.01,48015,NA,NA,30485,78500,131515,NA,NA,82140,213655,104735,NA,76.21,296815,NA,207.4
  56,FLORIDA,LAKE OKEECHOBEE,GLADESQHENDRYQHARTINAOKEECHOBEEQPALM BEACHoST LUCIE,1232,NATURAL,13007,1890.71,2.8,53.21,3.4,132,640,0.7,0.063,0.01,0.185,1.745,12325,NA,NA,338190,350515,NA,34380,NA,NA,7454915,191960,45,0.19,6953360,7,4
  