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1971 Map of Knippa

Name: 1971 Topographic Map of Knippa
Creator: U.S. Geological Survey
Published: 1974
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1974

About this map

Knippa serves as the primary hub of this landscape, situated along the tracks of the Southern Pacific railroad during the early 1970s. The geography is defined by a series of prominent rises, including Blue Mountain, Black Mountain, and Big Mountain, which break the southern Texas plains. These features suggest a terrain shaped by volcanic activity, further evidenced by Traprock Hill located south of the main settlement.

Water is a vital resource in this semi-arid region, with the Frio River and the Dry Frio River carving through the eastern half of the map while the Leona River defines the western edge. Notable landmarks such as Black Waterhole and various drainages like Taylor Slough and Salt Creek indicate the seasonal nature of local hydrology. The presence of a Radio Tower and numerous gravel pits suggests the local economy's reliance on both modern communication infrastructure and traditional resource extraction.