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Contact Us

General information
3817 Mineral Point Road
Madison, Wisconsin 53705-5100
tel. (608) 262-1705  |  fax (608) 262-8086

Map Sales | Customer Service
tel. (608) 263-7389
email: mapsales@wgnhs.wisc.edu
hours: 12:00–4:30 PM, M–F

Got a question?

Check out our list of experts to contact a subject matter specialist.

Looking to identify a rock, mineral, or fossil?

Before we can help, we need a few things to make an accurate identification: (1) A clear picture that includes a scale (such as a ruler, your hand, a pencil), and (2) details about where you found the object.

Other resources to explore for answers: