Oct3Sat
South Dakota Mines 4M Expo Discovery Day and Open House
COMMUNITY
South Dakota Mines 4M Expo Discovery Day and Open House was Saturday, October 3, 2026 at South Dakota Mines, 501 E. St. Joseph St, Rapid City, SD 57701.
This date has passed. The next South Dakota Mines 4M Expo Discovery Day and Open House dates will be on this page as soon as the organizer posts them.
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- When
- Saturday, October 3, 2026
- Where
- South Dakota Mines501 E. St. Joseph St, Rapid City, SD 57701 · Rapid City, South DakotaGet directions →
Free public open house and discovery expo at South Dakota Mines, with exhibits and activities; scheduled 10 a.m.–3 p.m.
- Source
- thedakotascout.com
Details can change — confirm times and tickets with the organizer before you go.
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