San Marcos 1-d Quadrangle

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 1:48000
Date: 1925
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

San Marcos 4-a Quadrangle

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 1:48000
Date: 1925
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