Michigan MI78
API 21131002837000 · Ontonagon County, Michigan
Plugging ApprovedPart 625 Test Well
API
21131002837000
Operator
Calumet and Hecla Copper Company
County
Ontonagon
Location
50N-39W-11
Permit
NP07397
Measured depth
1,971 ft
Location
46.747079, -89.150037
46.74708, -89.15004 · Surface location as filed with Michigan⌘ or Ctrl + scroll to zoom
Every well in Ontonagon County, Michigan
Michigan state record, from MI_wells_Oil__Gas__and_Mineral_Well_Surface_Hole_Locations.parquet. Corpus built 2026-08-19.