Nut-Lock. (open access)

Nut-Lock.

Patent for a nut-lock for car wheels, which holds the wheel securely together.
Date: February 18, 1908
Creator: Mayo, William C.
Object Type: Patent
System: The Portal to Texas History
Sleeping-Car (open access)

Sleeping-Car

Patent for a railroad sleeping car with an improved mechanism for folding the seats into beds.
Date: February 7, 1911
Creator: Anson, Warren J.
Object Type: Patent
System: The Portal to Texas History

Monahans Sandhills State Park

Map for Monahans Sandhills State Park located near the town of Monahans in Ward County, Texas showing access routes, camp sites, and park amenities. There are advertisements for Toyota and Texas Parks on the back of the map.
Date: February 2013
Creator: Texas. Parks and Wildlife Department.
Object Type: Map
System: The Portal to Texas History
Water Resources of Ward County, Texas (open access)

Water Resources of Ward County, Texas

Report on groundwater resources in Ward County, Texas.
Date: February 1971
Creator: White, D. E.
Object Type: Report
System: The Portal to Texas History