GEOID18 Map Gallery

This page provides high resolution images of GEOID18 maps showing geoid values, changes from GEOID12B, improvements in the model, estimated uncertainties, and the GPSonBM data that was used to make the model. To interact with and investigate these images and data further, visit the GEOID18 Exploratory Web Map.

GEOID18 in CONUS	GEOID18 in PRVI
Difference between GEOID18 and GEOID12B in CONUS	Difference between GEOID18 and GEOID12B in PRVI
GEOID18 Estimated Uncertainty for CONUS	GEOID18 Estimated Uncertainty for PRVI
GEOID18 Improvements CONUS	GEOID18 Improvements PRVI
GEOID18 GPS on Bench Marks	New GPS on Bench Marks for GEOID18
2018 GPS on Bench Marks Campaign Results	GEOID18 Grid Extents for CONUS
GEOID18 Gulf Coast Selected Marks	GEOID18-xGEOID19B Conversion Surface Approximate shift between current and future datum