[Photograph of Construction on U.S. Hwy 81]

Photograph of construction on U.S. Hwy 81 in Williamson County, Texas. In the background there is a "keep to right" sign and construction equipment. Handwritten text on back reads "US Hwy 81, Williamson County, approaching new construction at north end of project. Traffic routed over new highway for completion of flexible base. Keep to right sign used for safety of traffic. 10-10-39".
Date: October 10, 1939
Creator: Texas. Department of Transportation.
System: The Portal to Texas History

[Photograph of Washing Plant at San Gabriel River #2]

Photograph of the washing plant at San Gabriel River. In the foreground of the equipment is one worker and animal. In the background of the equipment are large trees.
Date: April 10, 1939
Creator: Texas. Department of Transportation.
System: The Portal to Texas History

[Photograph of Washing Plant at San Gabriel River]

Photograph of washing plant and equipment at the San Gabriel River. Behind the construction equipment large trees are visible.
Date: April 10, 1939
Creator: Texas. Department of Transportation.
System: The Portal to Texas History

[Photograph of a Gravel Pit]

Photograph of a gravel pit at the San Gabriel River. Above the pit is a large construction crane with workers inside. Behind the crane is other construction equipment and workers.
Date: April 10, 1939
Creator: Texas. Department of Transportation.
System: The Portal to Texas History