Bastrop 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: 1929
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
The Lytton Springs Oil Field (open access)

The Lytton Springs Oil Field

Report published in a scientific bulletin, describing the Lytton Springs oil fields.
Date: October 15, 1925
Creator: Bybee, H. P. & Short, R. T.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History

Austin 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: 1921
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Combination-Flue. (open access)

Combination-Flue.

Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.
Date: January 20, 1920
Creator: Carl, Reinhold Adolph
Object Type: Patent
System: The Portal to Texas History