Map of the Trinity (formation) Artesian Reservoirs of the Black and Grand Prairies of Texas, 1900
Map of the Trinity (formation) Artesian Reservoirs of the Black and Grand Prairies of Texas, 1900. By Robert Hall, Plate 71 of USGS 21st annual report. Scale 1"=10miles. Folded colour print 36"x32". Very well balanced cartographic design incorporating grey, brown, and green over standard topographic base map without ever losing legibility of type, drainage or contours. Centred on Dallas, extends further south than plates 70 and 71 to include Austin, extends west to Palo Alto. The north tenth of the map in the Choctaw and Chickasaw Nations. In very good to fine condition.