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Experts

Have a question? Look for the category that best fits your question. Please contact just one person—we’ll reroute you if needed.

Looking to identify a rock, mineral, or fossil? Please check out our list of tips first.

Download experts list (PDF)

Groundwater/hydrogeology
Ken Bradbury
David J. Hart | (608) 262-2307
Michael J. Parsen | (608) 262-9419
Peter M. Chase | (608) 265-6003
Maureen A. Muldoon | (608) 265-8181

Groundwater education/sand-tank model
David J. Hart | (608) 262-2307
Maureen A. Muldoon | (608) 265-8181

Groundwater levels
Michael J. Parsen | (608) 262-9419
Peter M. Chase | (608) 265-6003

Map and publication sales (See also our Publications page)
Brad Gottschalk | (608) 263-7389

Minerals
See our Minerals of Wisconsin database

Mining
Esther K. Stewart | (608) 263-3201

Office management
Jill E. Pongetti | (608) 262-1705

Outreach
M. Carol McCartney | (608) 263-7393

Precambrian geology
Esther K. Stewart | (608) 263-3201

Publications permissions
Linda Deith | (608) 263-7394

Quaternary geology/geomorphology
Eric C. Carson | (608) 890-1998
J. Elmo Rawling, III | (608) 263-6839

Sand/gravel
Eric C. Carson | (608) 890-1998
J. Elmo Rawling, III | (608) 263-6839

Sinkholes/subsidence (See also our Sinkholes page)
David J. Hart | (608) 262-2307

Springs (See also our Springs page)
Grace Graham | (608) 263-4125

Web applications
David M. Sibley | (608) 262-1580

Well construction reports (See also our Well records page)
Irene D. Lippelt | (608) 262-7430