GIS data file contains the following records:

0   1499051
102   1481345
202   1481376
305   1481379
432   1495224
531   1486630
641   1481521
772   1495244
879   1495245
983   1481534
1087   1481557
1221   1481636
1358   1481637
1461   1673764
1554   1481682
1652   1481720
1757   1481724
1852   1481731
1951   1481771
2048   1481795
2142   1481796
2249   1481824
2383   1481847
2513   1481852
2612   1481853
2726   1927102
2842   1673765
2959   1481878
3094   1481914
3232   1481941
3364   1481987
3495   1482000
3626   1482014
3754   1482061
3886   1492651
3988   1482073
4100   1482080
4200   1495319

1: record_at  	3495
   1482000|VA|Briery Draft|valley|Highland|51|091|381716N|0792743W|38.28778|-79.46194|381512N|0792639W|38.25333|-79.44417||||McDowell
2: record_at  	983
   1481534|VA|Bearcamp Knob|summit|Highland|51|091|382913N|0793913W|38.48694|-79.65361|||||4170|||Hightown
3: record_at  	305
   1481379|VA|Back Draft|valley|Highland|51|091|381547N|0792946W|38.26306|-79.49611|381442N|0792801W|38.245|-79.46694||||McDowell
4: record_at  	1221
   1481636|VA|Benson Run|stream|Highland|51|091|381540N|0792955W|38.26111|-79.49861|381441N|0792524W|38.24472|-79.42333|||BGN 1968|McDowell
5: record_at  	879
   1495245|VA|Bear Mountain|summit|Highland|51|091|382648N|0794127W|38.44667|-79.69083|||||4440|||Hightown
6: record_at  	1757
   1481724|VA|Big End|ridge|Highland|51|091|381727N|0794616W|38.29083|-79.77111||||||||Paddy Knob
7: record_at  	3886
   1492651|VA|Brushy Hill|summit|Highland|51|091|382707N|0792628W|38.45194|-79.44111|||||2920|||Doe Hill
8: record_at  	2726
   1927102|VA|Blue Grass Magisterial District|civil|Highland|51|091|382539N|0793952W|38.4275|-79.66444||||||||Hightown
9: record_at  	1554
   1481682|VA|Beulah Church|church|Highland|51|091|381819N|0794345W|38.30528|-79.72917||||||||Mustoe
10: record_at  	1951
   1481771|VA|Big Ridge|ridge|Highland|51|091|381837N|0794606W|38.31028|-79.76833||||||||Paddy Knob
11: record_at  	2842
   1673765|VA|Blue Grass School (historical)|school|Highland|51|091|382957N|0793304W|38.49917|-79.55111||||||||Monterey
12: record_at  	2142
   1481796|VA|Big Valley Cemetery|cemetery|Highland|51|091|381454N|0793900W|38.24833|-79.65||||||||Burnsville
13: record_at  	3626
   1482014|VA|Broad Run|stream|Highland|51|091|382416N|0794028W|38.40444|-79.67444|382450N|0794220W|38.41389|-79.70556||||Hightown
14: record_at  	1087
   1481557|VA|Bearwallow Run|stream|Highland|51|091|383205N|0793801W|38.53472|-79.63361|383340N|0793933W|38.56111|-79.65917||||Thornwood
15: record_at  	2249
   1481824|VA|Black Gum Draft|valley|Highland|51|091|382119N|0792457W|38.35528|-79.41583|382059N|0792350W|38.34972|-79.39722||||McDowell
16: record_at  	2383
   1481847|VA|Blights Run|stream|Highland|51|091|382952N|0793930W|38.49778|-79.65833|382911N|0793905W|38.48639|-79.65139||||Hightown
17: record_at  	3754
   1482061|VA|Brushy Fork|stream|Highland|51|091|381344N|0793148W|38.22889|-79.53|381138N|0792947W|38.19389|-79.49639||||Williamsville
18: record_at  	531
   1486630|VA|Barren Rock|summit|Highland|51|091|382502N|0793014W|38.41722|-79.50389|||||4386||BGN 2002|Monterey
19: record_at  	-443
   Negative offset
20: record_at  	4526
   Offset too large
21: record_at  	658
   Unaligned offset
22: quit  	
   Exiting.