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Clerk/Register Of Deeds
Karen A. Spranger
40 N Main, 1st Floor, Mount Clemens, MI 48043
(586) 469-5120

Remonumentation Information

The Macomb County Remonumentation Program, established in 1992, embarked on a schedule of replacing, restoring and maintaining all public land survey monuments in Macomb County. These monuments are used by Land Surveyors to determine property line boundaries, road alignments, subdivision layouts, as well as, the location of commercial and industrial property.

The Remonumentation Program is funded 100 percent by the State of Michigan, Department of Licensing and Regulatory Affairs. The program began as a 20 year effort to survey the State; however, the time allotment has been extended until January 2023. The Maintenance Program will take effect after January 2023. This program will preserve the efforts realized in the Remonumentation Program by ensuring the monuments remain in their proper location.

The first and last survey of the State was commissioned in 1815 and took approximately 40 years to complete. Original markers were 4-foot long wooden posts. Most of the original markers have been removed due to road construction and development. The wooden posts have also deteriorated over time; nonetheless, some of the original monuments have been recovered by following in the footsteps of the original surveyors and through careful excavation.

The contracted surveying firms have researched, monumented and approved a total of 2,190 GLO section corners, private claim corners and property-controlling corners in Macomb County through December 31, 2015. The surveyors have also established 93 Global Positioning System (GPS) monuments and placed State Plane Coordinate values on 1,198 corner monuments. The GPS monuments and State Plane Coordinate values placed on the corner monuments provide reference points for computerized mapping.

Three Continuous Operating Reference System (CORS) stations have been installed as well. The stations are located in the Village of New Haven, the City of Warren and Washington Township. The CORS stations are monitored by the Michigan Department of Transportation and have provided the most accurate GPS data in the world.

The 2016 Remonumentation Program will fund the research and monumentation of 42 corners and place 85 State Plane Coordinate values on corner monuments.

Please contact Martin C. Dunn, P.S., Macomb County Surveyor Representative if you have any questions or comments. He may be reached at (586) 469-7916 or martin.dunn@macombgov.org. You may contact Craig A. Jones, Chief Deputy Register and Macomb County Grant Administrator if Mr. Dunn is not available at (586) 469-5163 or craig.jones@macombgov.org.


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