Location and Depth of the Artesian Wells of the Black and Grand Prairies of Texas, 1898
Location and Depth of the Artesian Wells of the Black and Grand Prairies of Texas, 1898 By Robert Hall, Plate 19 of USGS 21st annual report. Scale 1"=10miles. Folded colour print 32"x30". Standard topographic map with wells marked by red symbols indicating source aquifer and depth of well. In fine condition.