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Federal
NOAA Continuously Operating Reference Stations (CORS) Network NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide... -
Federal
Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity for the Re-definition of the American Vertical Datum (GRAV-D) is a project initiated by NOAA's National Geodetic Survey to collect and monitor gravity data... -
Geodetic Control Points
District of Columbia —
Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest... -
Federal
Geoid Height and Deflections of the Vertical Models NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
In Gauss' words, the geoid is "the mathematical figure of the Earth". This figure is an equipotential surface coincident with the idealized mean sea surface. The... -
Geodetic Control Points 2021
District of Columbia —
Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest... -
Federal
Geodetic Control Information on Passive Marks NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This data contains a set of geodetic control stations maintained by the National Geodetic Survey. Each geodetic control station in this dataset has either a precise... -
State
Horizontal and Vertical Geodetic Control Data for the Unites States.
State of Arkansas —
This data contains a set of geodetic control stations maintained by the National Geodetic Survey. Each geodetic control station in this dataset has either a precise... -
State
Geodetic Control 2004 (point)
State of Arkansas —
This data contains a set of geodetic control stations maintained by the National Geodetic Survey. Each geodetic control station in this dataset has either a precise... -
Federal
Channel mapping Glen Canyon Dam to Lees Ferry in Glen Canyon National Recreation Area, Arizona - Data
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected from May 2013 to October 2016 along a 15-mi reach of the Colorado River in Glen Canyon National... -
Geodetic Control Points 2017
District of Columbia —
Geodetic Control. The dataset contains points representing planimetric geodetic control, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Federal
River-channel topography on the Elwha River, Washington, 2006 to 2022 (ver. 2.0, July 2025)
Department of the Interior —
This portion of the data release presents topographic data collected at 5 study sites along Elwha River, Washington between 2006 and 2022. Elevations along channel-... -
Geodetic Control Points 2019
District of Columbia —
Geodetic Control. The dataset contains points representing planimetric geodetic control, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Geodetic Control Points 2015
District of Columbia —
Geodetic Control. The dataset contains polygons representing planimetric geodetic control, created as part of the DC Geographic Information System (DC GIS) for the... -
Geodetic Control Points 2013
District of Columbia —
GeoControl Points. The dataset contains polygons representing planimetric geocontrol points, created as part of the DC Geographic Information System (DC GIS) for the... -
Federal
2018-2019 NOAA NGS 4-band Ortho-rectified Mosaic of Chesapeake Bay (Wilson to Airedele, MD)
National Oceanic and Atmospheric Administration, Department of Commerce —
This orthoimagery data set includes 0.3 meter digital orthoimages in 8-bit 4-band (RGB-IR) GeoTIFF tiles. Geographic Extent: 3 counties in Maryland, covering... -
University
NM OSE Geodetic Control Points within Land Grants with MS Access database, (Geographic NAD27)
Earth Data Analysis Center, University of New Mexico —
This data set contains geodetic control points created for State Engineer Office in 1974 in New Mexico inside land grant boundaries. -
University
National Geodetic Survey (NGS) Geodetic Control Stations, (Horizontal and/or Vertical Control), March 2009
Earth Data Analysis Center, University of New Mexico —
This data contains a set of geodetic control stations maintained by the National Geodetic Survey. Each geodetic control station in this dataset has either a precise... -
University
NM OSE Geodetic Control Points within Land Grants with MS Access database, (Geographic NAD83)
Earth Data Analysis Center, University of New Mexico —
This data set contains geodetic control points created for State Engineer Office in 1974 in New Mexico inside land grant boundaries. -
Geodetic Control Points 2005
District of Columbia —
Geodetic Control. The dataset contains points representing planimetric Geodetic Control, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Federal
2018-2019 NOAA NGS 4-band Ortho-rectified Mosaic of Chesapeake Bay (Tilghman to Hoopersville, MD)
National Oceanic and Atmospheric Administration, Department of Commerce —
This orthoimagery data set includes 0.3 meter digital orthoimages in 8-bit 4-band (RGB-IR) GeoTIFF tiles. Geographic Extent: 4 counties in Maryland, covering...