Automatic Gas-Release Packer. (open access)

Automatic Gas-Release Packer.

Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date: April 11, 1922
Creator: Cummings, William J.
Object Type: Patent
System: The Portal to Texas History
Geology of the Wiles Area Ranger District, Texas (open access)

Geology of the Wiles Area Ranger District, Texas

This report describes the economic geology of the Wiles area Ranger District, Texas.
Date: June 28, 1922
Creator: Dobbin, Carroll E.
Object Type: Report
System: The UNT Digital Library

Breckenridge Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1922
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History