Resource Type

Fort McKavett 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: 1904
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Rod Coupling (open access)

Rod Coupling

Patent for rod coupling. This invention is for a type of rod couplings formed in sections for use as plunder-rod for wells. Illustration included.
Date: November 6, 1906
Creator: Lynn, John McKenzie
Object Type: Patent
System: The Portal to Texas History