The geology of Val Verde County

Accompanied by 5 foldout plates -- Plate 1 : Sketch map of the geology of Val Verde County. Contents : A geological reconnaissance of Val Verde County / by J.R. Roberts -- Water resources of Val Verde County / by J.P. Nash -- Road materials of Val Verde County / by J.P. Nash. Plate 2a : Photograph of the disconformable contact between the Bude and Eagle Ford formations. Plate 2b : Topography and caves in Comanchean limestones about one mile southeast of Langtry. Plate 3a : View of Bird's Nest Canyon, looking southwest, one mile east of Langtry. Plate 3b : An exposure of Del Rio clay capped by a remnant of Buda limestone in a cut on the Southern Pacific Railroad. Plate 4 : Photograph, looking toward the east, of a trench dug in ore material in a break in the Buda limestone, at point 5, figure 2. Plate 5a : Photograph looking northeast along the strike of a break which is about a half mile west of Shumla. Plate 5b : Photograph, looking south and west along Bird's Nest canyon, one mile east of LangtryUT Librarie