top of page
surveymarker_edited.jpg

Monuments

     Accuracy is vitally important.

It's time consuming to find and verifying monuments that are:

​

NAD83 (2011)

Physically intact

Accessible

Appropriate Accuracy

​

In our Monument Blog below, you will find a growing list of high quality monuments with helpful information to use for your own verification.​

​

ArcGIS Field Maps

​

No more awkward fussing with the NGS datasheet!!

Mobile Device Users:  Click to Open the Monuments ArcGIS Field Map!

A few More Helpful Tools for Verifying Accuracy

​

Monuments Geodatabase:  New Jersey (NJSP EPSG ID 6527)

Pennsylvania (PASP South EPSG ID 6565)

​

NOAA INVERSE Computation Tool

Use this tool to compare your observed XY to the true values of the monument.

​

NOAA Computation of GEOID12B Geoid Height

Use this tool to compare your observed ellipsoid height to the true height of the monument.

​

topographic map image_edited.png

Monuments Map​

​

Mobile Device Users:  Click here to open the Monuments ArcGIS Field Map!

bottom of page