Tollefson 1

Name: Tollefson 1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25051212700000 · Montana · Keith Area field

DomesticGas

API

25051212700000

Operator

Sage Creek Colony

Field

Keith Area

Completed

1975-10-10

Measured depth

3,415 ft

Location

48.932000, -110.975420

48.93200, -110.97542 · Surface location as filed with Montana⌘ or Ctrl + scroll to zoom

Montana state record, from MT_wells_BOG_Wells.parquet. Corpus built 2026-08-19.