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Geoportal

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Data Dictionary

Data dictionary for Dams [Nebraska]

Field Name Field Type Value(s) Definition Definition Source
OBJECTID int32
DamID int32
PlanNumber object
NIDID object
DamName object
Longitude float64
Latitude float64
County object
Stream object
Downstream object
Downstre_1 float64
Designer object
DamType object
YearComple object
Purpose object
geometry geometry
SWJurisdic object
Owner_Full object
Jurisdicti object
PhysicalSt object
WaterDivis object
Appropriat object
Embankment float64
Regulating object
StateRegul object
LastInspec datetime64[ms]
EAP object
Hazard object
DrainageAr float64
NormalSurf float64
NormalStor float64
MaxStorage float64
MaxDischar float64
HydraulicH float64
StructureH float64
DamHeight float64
DamLength float64
YearModifi object
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BTAA Geoportal Collection Stories

  • Applying Deep Learning Models to BTAA GeoPortal Collections • July 1, 2025
  • Leveraging 3D GIS to promotion and discoveries map collection • May 8, 2025
  • Building the Historical Maps of New Jersey website • April 3, 2025
  • Discovery of Geological Maps in the BTAA Geoportal • March 4, 2025
  • Spanker’s Branch to Campus River • January 16, 2025

More Collection Stories

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