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MARKESAN PLANT
East of Markesan, on Highway 44, to county highway A, south on county highway A, 2 miles to the mine on the left., Green Lake County, WI
MSHA ID4701964
TYPESurface
MATERIALConstruction Sand and Gravel
EMPLOYEES12
MATERIALS PRODUCED
Construction Sand and Gravel
COMPANY INFORMATION
Operator
A.F. Gelhar Company, Inc.
Parent Company
Jim Gelhar
Company Type
Corporation
DIRECTIONS
270
CONTACT
Contact information not available for unclaimed listings.
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Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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