anchor.diff:  52,KANSAS,KANOPOLIS RESERVOIR,ELLSUORIH,2006,IMPOUNDMENT,20349.6,14.37,4.5,9.622,120,149,1068,0.3,0.056,0.011,0.64,1.21,4665,NA,15,90740,95620,15205,NA,495,623495,639195,21020,78,6.65,496560,22,44.5
   53,KANSAS,MARION RESERVOIR,MARION,2007,IMPOUNDMENT,518,26.93,4.1,2.31,2.4,126,432,0.4,0.052,0.01,0.63,1.1,970,NA,NA,9250,10220,2905,NA,NA,156720,159625,2850,72,NA,52510,67,6.4
   54,KANSAS,MELVERN RESERVOIR,OSAGE,2008,IMPOUNDMENT,909.1,28.05,6,6.188,1.1,146,377,1,0.034,0.007,0.265,0.935,310,NA,NA,21775,22085,935,NA,NA,503465,504400,8465,62,0.79,355240,30,18
  -55,KANSAS,MILFORD RESERVOIR,CLAY GEARY,2009,IMPOUNDMENT,64465610,65051,7.8,276193,235,196,645,0.9,0.079,0.036,0.71,1.2,14030,NA,NA,414535,428565,43565,NA,NA,2316050,2359615,48260,89,6.54,1327935,44,36
  +55,KANSAS,MILFORD RESERVOIR,CLAY GEARY,2009,IMPOUNDMENT,644656.1,65.51,7.8,27.193,285,196,645,0.9,0.079,0.036,0.71,1.2,14030,NA,NA,414535,428565,43565,NA,NA,2316050,2359615,48260,89,6.54,1327935,44,36
   56,KANSAS,NORTON RESERVOIR,NORTON,2010,IMPOUNDMENT,1771.6,8.86,5,1.018,1.8,216,475,0.6,0.122,0.036,0.11,1.22,285,NA,NA,10840,11125,350,NA,NA,72755,73605,2750,75,1.26,21220,71,8.3
   57,KANSAS,PERRY RESERVOIR,JEFFERSON,2011,IMPOUNDMENT,2893,49.37,3.7,13.52,281,166,371,0.5,0.055,0.017,0.97,1.42,18455,NA,NA,83895,102350,37100,NA,NA,739750,116330,24850,76,2.07,515860,34,15.7
  -58,KANSAS,POMONA RESERVOIR,NA,2012,IMPOUNDMENT,834,16.19,6.4,5.333,193,142,327,0.5,0.04,41.021,1.2,1.65,NA,NA,NA,12630,15875,9230,NA,NA,360805,370035,13385,16,NA,316370,15,22.9
  +58,KANSAS,POMONA RESERVOIR,NA,2012,IMPOUNDMENT,834,16.19,6.4,5.333,193,142,327,0.5,0.04,0.021,1.2,1.65,NA,NA,NA,12630,15875,9230,NA,NA,360805,370035,13385,16,NA,316370,15,22.9
   59,KANSAS,TORONTO RESERVOIR,GREENHOOD HOODSON,2013,IMPOUNDMENT,1934.7,11.33,2.5,14.72,22,122,327,0.3,0.067,0.011,0.925,0.675,2290,NA,15,23300,25605,NA,NA,565,629325,636765,35960,NA,2.26,661285,NA,56.2
   60,KANSAS,TUTTLE CREEK RESERVOIR,MARSHALL POTTARATOMIE RILEY,2014,IMPOUNDMENT,24967.6,63.94,8.2,54.748,139,197,487,0.8,0.162,0.067,0.97,1.46,12570,NA,NA,1411435,1424305,43220,NA,NA,7683290,7726510,229125,84,22.28,4192595,46,120.8
   62,KANSAS,WILSON RESERVOIR,RUSSELL,2015,IMPOUNDMENT,4965,36.42,6.4,5.144,2,140,224,1.4,0.023,0.004,0.265,0.035,3795,NA,NA,13340,17135,11305,NA,NA,270660,-290045,5065,70,0.47,160140,45,8
  
positive.code: 16,ARKANSAS,BLACKFISH LAKE,CRITTENDEN ST FRANCIS,502,NATURAL,288.8,1.62,1.8,287.1,8,33,88,0.1,0.424,0.09,1.47,2.425,NA,NA,5,112130,112135,NA,NA,275,390625,390900,92130,18,69.22,303920,22,241.3
  17,ARKANSAS,BLUE MOUNTAIN LAKE,LOGAN YELL,503,IMPOUNDMENT,1263.9,11.74,2.6,14.61,25,20,5,0.4,0.05,0.01,0.16,0.4,5065,NA,5,11700,16050,4295,NA,250,419955,424500,31255,NA,1.44,343495,19,36.2
  18,ARKANSAS,LAKE CATHERINE,GARLAND HOT SPRING,505,IMPOUNDMENT,3926.4,7.05,5.5,65.66,8,17,62,1.2,0.029,0.006,0.1,0.43,42410,NA,15,36410,70035,127190,NA,620,1060970,1100700,49340,37,10.04,1735200,NA,151.4
  19,ARKANSAS,HAMILTON LAKE,GARLAND,510,IMPOUNDMENT,3732.2,26.28,9.7,62.76,43,18,50,1.8,0.024,0.006,0.13,0.42,36190,NA,75,35640,71705,108165,NA,2845,798955,909965,344335,539,2.95,1008320,NA,37.5
  21,ARKANSAS,OUACHITA LAKE,GARLAND MONTGOMERY,514,IMPOUNDMENT,2861.9,162.28,16.3,43.6,1.9,22,69,2.8,0.015,0.006,0.155,0.335,590,NA,10,27470,28070,1535,NA,430,736865,736830,23445,16,0.17,565150,23,6.5
  23,ARKANSAS,CHICOT LAKE,CHICOT,506,IMPOUNDMENT,1046.4,21.45,2.7,13.62,49,85,189,0.4,0.162,0.089,0.45,1.2,NA,NA,5,142530,142535,NA,NA,250,872935,873185,115735,19,6.64,700900,20,40.7
  24,ARKANSAS,DEGRAY RESERVOIR,CLARK HOT SPRING,507,IMPOUNDMENT,1173.3,54.23,14.9,19.76,677,24,69,2.1,0.019,0.004,0.13,0.42,1375,NA,30,10345,11750,4120,NA,1135,188135,193390,10270,13,0.22,268460,NA,3.6
  
negative.code: 105,NORTH DAKOTA,LANE SAKAKAWEA,DUNNHCNENzIEHCLEANHERCERMOUNTRAILHILLIAHS,3812,IMPOUNDMENT,469825.8,1490.21,18.9,652.93,1.6,167,549,2.3,0.016,0.007,0.15,0.33,17655,NA,10,6680100,6697765,52950,NA,455,28083775,28137180,462250,93,4.49,10446205,63,18.9
  107,NORTH DAKOTA,SPIRITWOOD LAKE,STUTSMAN,3813,NATURAL,NA,1.67,8.8,NA,NA,376,2325,2.1,0.156,0.082,0.29,2.54,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
  108,NORTH DAKOTA,SWEET BRIAR LAKE,MORTON,3814,IMPOUNDMENT,393.7,1.1,2.9,0.232,183,280,579,1.5,0.092,0.031,0.09,1.32,NA,NA,10,1875,1885,NA,NA,420,23010,23430,1030,45,1.71,12265,48,21.3
  109,NORTH DAKOTA,WHITMAN LAKE,NELSONHALSH,3815,IMPOUNDMENT,111.4,858,2.7,81,255,182,406,0.5,0.26,0.185,0.26,1.32,NA,NA,5,NA,NA,NA,NA,105,5235,NA,520,NA,0.83,5340,0,9.2
  110,OKLAHOMA,ALTUS RESERVOIR,GREER KIOMA,4001,IMPOUNDMENT,5480.4,25.41,6.4,4.09,2.1,143,2019,0.8,0.041,0.01,0.06,0.63,NA,NA,5,10700,10705,NA,NA,120,902625,902745,3910,63,0.42,96825,89,35.5
  111,OKLAHOMA,ARBUCKLE LAKE,MURRAY,4002,IMPOUNDMENT,326.3,9.51,9.4,1.34,3.2,158,379,1.4,0.02,0.008,0.07,0.44,NA,NA,NA,3810,3810,NA,NA,NA,61220,61220,885,77,0.4,28905,53,6.4
  112,OKLAHOMA,LAKE ELSWORTH,CADDO COMANCHE,4003,IMPOUNDMENT,642.3,22.66,5.1,4.26,1.4,150,367,1,0.037,0.009,0.07,0.62,1980,NA,5,3510,5495,4480,NA,160,158970,163610,4665,15,0.24,89635,45,7.2
  