Disambiguation evidence for National Geodetic Vertical Datum of 1929 via surface form
"NGVD 88"
Triples (1)
Triples where some other subject referred to this entity
as "NGVD 88".
Disambiguation evidence for National Geodetic Vertical Datum of 1929 via surface form
Triples where some other subject referred to this entity
as "NGVD 88".