Glossary
NGVD 29
NGVD 29 (National Geodetic Vertical Datum of 1929) is the older national vertical datum still printed on many USACE pool schedules, legacy gauge histories, and southeastern reservoir guides. Treat any NGVD-labeled elevation as valid only in that reference frame.
Published May 16, 2026 · Editorial standards
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Perry Lake
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Explore Lake Blue Ridge for live levels and the vertical reference published on its lake page.
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Reference information only. See data sources, editorial standards, or suggest a correction.
