Mass Drill Hole 4
API 21131002547000 · Ontonagon County, Michigan
Plugging ApprovedPart 625 Test Well
API
21131002547000
Operator
Mass Copper Company
County
Ontonagon
Location
50N-39W-7
Permit
NP06260
Measured depth
760 ft
Location
46.740331, -89.226258
46.74033, -89.22626 · 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.