Calumet and Hecla - St. Louis 21
API 21061001217000 · Houghton County, Michigan
Plugging ApprovedPart 625 Test Well
API
21061001217000
Operator
Calumet and Hecla Copper Company
County
Houghton
Location
56N-33W-25
Permit
NP06451
Location
47.221213, -88.425814
47.22121, -88.42581 · Surface location as filed with Michigan⌘ or Ctrl + scroll to zoom
Every well in Houghton County, Michigan
Michigan state record, from MI_wells_Oil__Gas__and_Mineral_Well_Surface_Hole_Locations.parquet. Corpus built 2026-08-19.