St. Louis STL31
API 21061006027000 · Houghton County, Michigan
Plugging ApprovedPart 625 Test Well
API
21061006027000
Operator
Calumet and Hecla Copper Company
County
Houghton
Location
56N-32W-20
Permit
NP17633
Measured depth
543 ft
Location
47.235723, -88.394208
47.23572, -88.39421 · 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.