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| Maps depicting NGVD 29 Heights will have to be
modified for |
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| NAVD 88 Heights |
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| › | In many areas a Single Bias Factor, Describing the
Difference between |
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| NGVD 29 and NAVD 88, could be used for most Mapping
Applications |
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| › | In “Moving” areas, maps depicting the rates of
movements will have to be |
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| compiled |
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