Ballinger 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: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Coleman 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: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Brady 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: 1920
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Cotton Blocking Machine (open access)

Cotton Blocking Machine

Patent for an inexpensive attachment to a cotton cultivator/checking machine to improve the intake capacity of the cultivator itself. The blocking machine would be used to replace the manual labor task of chopping cotton before insertion into the cultivator for processing.
Date: October 19, 1920
Creator: Ford, Barnie S.
Object Type: Patent
System: The Portal to Texas History