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  Partner: University of Texas
 Collection: Texas History Collection
Geologic Map of Denton County, Texas
Geologic map of Denton County, Texas that has color-coded sections. Scale [ca. 1: 170,000].
A gazetteer of Texas, by Henry Gannett.
Geological and geographic survey and analysis of Texas at the onset of the 20th century. Also includes an index of place names in Texas.