Description: A map showing the precipitation in the Texas Region. I, over 50 inches; II, over 45; III, over 40; IV, over 35; V, over 30; VI, over 25; VII, over 20; VIII, over 15; IX, over 10.
Source: Isaiah Bowman, Ph. D, Forest Physiography (New York, NY: John Wiley and Sons, 1911) 424
Map Credit: The Private Collection of Roy Winkelman |
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