1925 Map of San Roque Lake 1-a

About this map

The Nueces River winds through this South Texas landscape, defining a region of riparian bottomlands and ranching outposts in the mid-1920s. Established by the State of Texas Board of Water Engineers, this survey details a period when water access was the primary driver of settlement in the brush country. The map highlights the early development of Valley Wells and a network of remote family operations, including the Buckhorn Ranch and Rasmussen Ranch. Transport in the area is anchored by the Big Wells Road, which connects these isolated outposts across a terrain marked by ephemeral drainages like Sauce Creek and Appurceon Creek. Notable water features such as Encina Lake and Buckhorn Lake serve as critical landmarks for genealogists and local historians tracing the early twentieth-century land use of Dimmit County.