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| Analyzed the vertical control network to separate
bias |
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| shifts into components: changes due to datum
definition, |
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| crustal movement, improved corrections applied to |
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| leveling data to account for systematic errors, and
removal |
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| of adjustment distortions in NGVD 29 |
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| Incorporate other data, e.g., COE and/or USGS data,
into |
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| NAVD 88 (data must be in computer-readable form) |
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| Educate NAVD 88 users |
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