poly http://h2o.usgs.gov/nwc/NWC/pH/html/WA.html 50,93 56,67 66,62 77,70 82,68 83,59 144,75 144,75 136,114 136,114 136,120 136,120 104,115 104,115 78,113 69,99 50,93 
poly http://h2o.usgs.gov/nwc/NWC/pH/html/ID.html 159,153 144,75 154,78 152,101 165,116 159,132 166,131 174,153 191,150 193,155 187,192 154,187 121,180 127,142 139,127 136,120 136,114 144,75
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MT.html 208,117 154,78 275,95 271,142 270,156 195,147 193,155 191,150 174,153 166,131 159,132 165,116 152,101 154,78
poly http://h2o.usgs.gov/nwc/NWC/pH/html/ME.html 645,126 654,105 668,115 646,151 633,152 622,120 626,118 628,98 632,83 637,86 642,82 648,85 654,105
poly http://h2o.usgs.gov/nwc/NWC/pH/html/OR.html 80,140 50,93 69,99 78,113 104,115 136,120 139,127 127,142 121,180 88,172 38,158 50,93
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MN.html 377,137 424,112 420,123 396,134 396,143 390,149 391,163 407,174 409,181 352,183 351,145 348,122 344,99 365,99 368,93 371,103 388,104 402,112 408,110 424,112
poly http://h2o.usgs.gov/nwc/NWC/pH/html/ND.html 311,119 275,95 344,99 348,122 351,145 271,142 275,95
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MI.html 474,137 420,123 424,112 435,106 474,124 478,130 482,129 485,135 501,144 509,170 502,197 484,203 456,205 457,193 455,173 462,151 452,148 447,154 444,145 419,137 416,134 420,123
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NH.html 625,147 622,120 633,152 646,151 646,152 617,162 616,156 619,126 622,120
poly http://h2o.usgs.gov/nwc/NWC/pH/html/WI.html 428,165 420,123 416,134 419,137 444,145 447,154 452,148 462,151 455,173 457,193 417,196 409,181 407,174 391,163 390,149 396,143 396,134 420,123
poly http://h2o.usgs.gov/nwc/NWC/pH/html/VT.html 610,140 599,131 619,126 616,156 617,162 609,164 599,131
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NY.html 582,167 609,164 609,175 611,192 629,182 634,189 610,199 606,200 608,192 598,189 588,181 539,190 538,182 546,176 542,167 567,159 582,135 599,131 609,164
poly http://h2o.usgs.gov/nwc/NWC/pH/html/SD.html 312,167 351,145 352,183 352,198 329,190 267,187 270,156 271,142 351,145
poly http://h2o.usgs.gov/nwc/NWC/pH/html/WY.html 237,184 193,155 195,147 270,156 267,187 265,217 208,211 185,207 187,192 193,155
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MA.html 638,169 646,152 656,180 640,187 636,174 627,171 609,175 609,164 617,162 646,152
poly http://h2o.usgs.gov/nwc/NWC/pH/html/CA.html 74,251 38,158 88,172 77,216 127,291 131,303 122,314 119,325 88,321 54,306 38,269 40,251 31,229 32,172 38,158
poly http://h2o.usgs.gov/nwc/NWC/pH/html/CT.html 621,181 627,171 629,182 611,192 609,175 627,171
poly http://h2o.usgs.gov/nwc/NWC/pH/html/RI.html 631,178 627,171 636,174 640,187 634,189 629,182 627,171
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NV.html 115,230 88,172 121,180 154,187 140,262 136,276 129,274 127,291 77,216 88,172
poly http://h2o.usgs.gov/nwc/NWC/pH/html/PA.html 565,202 538,182 539,190 588,181 598,189 594,200 601,207 597,212 595,214 591,216 549,224 537,226 534,212 530,187 538,182
poly http://h2o.usgs.gov/nwc/NWC/pH/html/IA.html 385,205 352,183 409,181 417,196 422,207 413,213 409,229 406,226 359,227 357,215 352,198 352,183
poly http://h2o.usgs.gov/nwc/NWC/pH/html/UT.html 176,231 154,187 187,192 185,207 208,211 199,272 140,262 154,187
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NE.html 314,214 267,187 329,190 352,198 357,215 359,227 365,237 286,234 287,219 265,217 267,187
poly http://h2o.usgs.gov/nwc/NWC/pH/html/OH.html 509,218 530,187 534,212 533,228 524,238 516,250 488,242 484,203 502,197 511,200 530,187
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NJ.html 603,211 598,189 608,192 606,200 610,199 612,226 603,228 595,214 597,212 601,207 594,200 598,189
poly http://h2o.usgs.gov/nwc/NWC/pH/html/IL.html 433,232 457,193 456,205 453,206 457,251 452,266 448,278 440,280 432,268 424,262 426,252 420,252 411,239 409,229 413,213 422,207 417,196 457,193
poly http://h2o.usgs.gov/nwc/NWC/pH/html/IN.html 471,234 456,205 484,203 488,242 477,261 471,258 469,264 461,264 452,266 457,251 453,206 456,205
poly http://h2o.usgs.gov/nwc/NWC/pH/html/CO.html 242,244 208,211 265,217 287,219 286,234 284,280 272,280 199,272 208,211
poly http://h2o.usgs.gov/nwc/NWC/pH/html/WV.html 537,242 549,224 550,232 558,225 564,222 570,226 569,229 562,226 549,247 543,261 528,266 525,262 516,250 524,238 533,228 534,212 537,226 549,224
poly http://h2o.usgs.gov/nwc/NWC/pH/html/DE.html 601,227 591,216 595,214 603,228 612,226 610,232 596,234 591,216
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MD.html 583,229 549,224 591,216 596,234 610,232 608,238 591,244 578,240 579,233 584,233 579,226 578,231 570,226 564,222 558,225 550,232 549,224
poly http://h2o.usgs.gov/nwc/NWC/pH/html/VA.html 561,252 569,229 570,226 578,231 579,233 578,240 591,244 608,238 603,263 531,276 506,279 525,262 528,266 543,261 549,247 562,226 569,229
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MO.html 399,263 359,227 406,226 409,229 411,239 420,252 426,252 424,262 432,268 440,280 437,288 436,288 435,288 434,295 426,296 428,288 374,290 373,283 373,249 365,237 359,227
poly http://h2o.usgs.gov/nwc/NWC/pH/html/DC.html 579,231 578,231 579,226 584,233 579,233 578,231
poly http://h2o.usgs.gov/nwc/NWC/pH/html/KS.html 331,262 286,234 365,237 373,249 373,283 284,280 286,234
poly http://h2o.usgs.gov/nwc/NWC/pH/html/KY.html 485,267 516,250 525,262 506,279 437,288 440,280 448,278 452,266 461,264 469,264 471,258 477,261 488,242 516,250
poly http://h2o.usgs.gov/nwc/NWC/pH/html/AZ.html 151,299 140,262 199,272 187,358 161,354 117,328 119,325 122,314 131,303 127,291 129,274 136,276 140,262
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NC.html 569,282 531,276 603,263 627,282 590,321 559,299 545,301 541,296 517,303 502,305 502,301 527,284 531,276
poly http://h2o.usgs.gov/nwc/NWC/pH/html/NM.html 234,312 199,272 272,280 271,287 266,356 220,352 221,355 199,353 198,359 187,358 199,272
poly http://h2o.usgs.gov/nwc/NWC/pH/html/TN.html 475,294 531,276 527,284 502,301 502,305 486,306 454,309 427,311 434,295 435,288 436,288 437,288 506,279 531,276
poly http://h2o.usgs.gov/nwc/NWC/pH/html/OK.html 339,305 272,280 284,280 373,283 374,290 376,334 367,330 349,330 345,329 330,326 307,319 308,289 271,287 272,280
poly http://h2o.usgs.gov/nwc/NWC/pH/html/TX.html 320,348 271,287 308,289 307,319 330,326 345,329 349,330 367,330 376,334 382,335 382,343 389,376 386,395 345,452 321,446 313,441 294,402 273,389 261,402 253,397 239,375 221,355 220,352 266,356 271,287
poly http://h2o.usgs.gov/nwc/NWC/pH/html/AR.html 402,316 434,295 427,311 420,325 418,342 382,343 382,335 376,334 374,290 428,288 426,296 434,295
poly http://h2o.usgs.gov/nwc/NWC/pH/html/SC.html 556,317 517,303 541,296 545,301 559,299 590,321 561,351 533,323 514,308 517,303
poly http://h2o.usgs.gov/nwc/NWC/pH/html/GA.html 517,339 517,303 514,308 533,323 561,351 548,364 540,364 538,371 503,371 500,366 499,347 486,306 502,305 517,303
poly http://h2o.usgs.gov/nwc/NWC/pH/html/AL.html 476,340 454,309 486,306 499,347 500,366 466,370 469,381 463,388 457,384 454,309
poly http://h2o.usgs.gov/nwc/NWC/pH/html/MS.html 440,345 427,311 454,309 457,384 442,384 439,372 414,373 417,362 423,352 418,342 420,325 427,311
poly http://h2o.usgs.gov/nwc/NWC/pH/html/LA.html 415,380 382,343 418,342 423,352 417,362 414,373 439,372 442,384 457,384 463,388 455,403 416,406 411,398 386,395 389,376 382,343
poly http://h2o.usgs.gov/nwc/NWC/pH/html/FL.html 538,394 500,366 503,371 538,371 540,364 548,364 589,415 573,451 552,460 540,461 527,390 516,380 501,395 469,381 466,370 500,366