South Dakota Mines 4M Expo

Name: South Dakota Mines 4M Expo
Start: 2026-10-03T00:00:00-05:00
End: 2026-10-03T01:00:00-05:00
Location: South Dakota Mines, 501 E St Joseph St, Rapid City, SD, 57701

Sat, Oct 3rd, 2026 at 12:00 AM CDT — Sat, Oct 3rd, 2026 at 1:00 AM CDT

South Dakota Mines, 501 E St Joseph St, Rapid City, SD, 57701

SD, South Dakota

A free, family-friendly community event bringing mining, materials, and munitions to the public.

Weekly Highlight Four M's, One Roof: Inside →

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