Madison Unit 4 1

Name: Madison Unit 4 1 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0411320015 · Yolo County, California · Any Field field

PluggedDry Hole

API

0411320015

Operator

A. A. Hopkins, Jr., Operator

County

Yolo

Field

Any Field

Spudded

1967-12-22

Location

38.650375, -121.986382

38.65037, -121.98638 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

Every well in Yolo County, California

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