Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vertical datum
|
| gptkbp:abbreviation |
gptkb:NAVD_88
|
| gptkbp:coordinates |
vertical
|
| gptkbp:datumType |
orthometric
|
| gptkbp:establishedBy |
gptkb:National_Geodetic_Survey
|
| gptkbp:establishedIn |
1991
|
| gptkbp:fullName |
gptkb:North_American_Vertical_Datum_of_1988
|
| gptkbp:hasUnit |
gptkb:Metric
foot |
| https://www.w3.org/2000/01/rdf-schema#label |
NAVD 88
|
| gptkbp:referencePoint |
gptkb:Father_Point/Rimouski,_Quebec,_Canada
|
| gptkbp:relatedTo |
geodetic datum
vertical control network |
| gptkbp:replacedBy |
gptkb:North_American-Pacific_Geopotential_Datum_of_2022_(NAPGD2022)
NGVD 29 |
| gptkbp:usedFor |
topographic mapping
floodplain mapping elevation measurements |
| gptkbp:usedIn |
gptkb:Canada
gptkb:Mexico gptkb:United_States |
| gptkbp:bfsParent |
gptkb:NAVD88
|
| gptkbp:bfsLayer |
8
|