Palo Pinto 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: 1919
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Bit-Hoist (open access)

Bit-Hoist

Patent for easy removal of bits from drilling machines.
Date: February 11, 1919
Creator: Parrish, Benjamin Eugene & Stage, Solomon
Object Type: Patent
System: The Portal to Texas History