Height Modernization Program Passive Network

The Wisconsin Height Modernization Program (HMP) is designed to improve the density of geodetic control stations listed in the National Spatial Reference System (NSRS) with accurate orthometric heights (elevations). The Wisconsin Dept. of Transportation (WisDOT), in cooperation with the National Geodetic Survey (NGS), initiated a program in 1998 to improve the height data throughout the State.

Final Report, A Day with Your County Surveyor

Report on a public forum entitled, “A Day with Your County Surveyor,” hosted by the Wisconsin State Cartographer’s Office on April 3, 2017, in Wisconsin Dells.

Learning Center

We answer hundreds of technical mapping-related questions every year from both the general public and geospatial professionals. This page provides more information on some of the most common questions we receive from map and GIS users.

Surveying-parcel forum final report now available

The final report is now available for the “A Day With Your County Surveyor” forum held at Chula Vista Resort in Wisconsin Dells on April 3, 2017.

Recovering original General Land Office survey bearing trees

Recovering original General Land Office survey bearing trees by Ted Sommer, PLS

Access fee for WISCORS

WisDOT charging a user fee for WISCORS.

WisDOT holds stakeholder meeting for user fees

WisDOT seeks input on a user access fee.

Survey Earth in a Day 4D

Global Surveying Event on the Solstice this Year

Final report on Surveying-Parcel Forum available

A final report on the March 12, 2015, Surveying-Parcel forum held at UW-Stevens Point is now available.

Clarification on new NGS geoid model

Implementing the new “GEOID12A” model is not necessary in the continental U.S.