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Ground Control / OverviewEastern Topographics8/11/00 |
| Confirm the correctness of the mapping limits in the image. Major changes may require changes in the ground control and possibly require more photos for mapping. Notice areas of dense tree coverage where few or no spot elevations may be possible. Use the overall view to plan the survey effort required to locate the control points indicated (HV2K01, HV2K02 etc.) |
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