Resource Type

Month

2007 Economic Census Map: Dallas-Fort Worth, Texas Combined Statistical Area

Map showing the area of the Dallas-Fort Worth, Texas Combined Statistical Area for which the U.S. Census Bureau collected data during the 2007 economic census.
Date: 2007
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History
Railway-Tie. (open access)

Railway-Tie.

Patent for improvements in railway ties, specifically railway ties in the "metallic" class. The ties in this class are affixed to the rails without the need for spikes.
Date: March 6, 1906
Creator: Rollins, William A.
Object Type: Patent
System: The Portal to Texas History