Old Grade 1-28

Name: Old Grade 1-28 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0411320969 · Yolo County, California · Any Field field

PluggedDry Hole

API

0411320969

Operator

Black Mountain Oil Co.

County

Yolo

Field

Any Field

Spudded

1990-10-11

Location

38.769032, -121.765358

38.76903, -121.76536 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

California state record, from CA_wells_Well.parquet. Corpus built 2026-08-19.