Mean annual runoff, precipitation, and evapotranspiration in the glaciated northeastern United States, 1951-80
Two maps, compiled at 1:1,000,000 scale, depict mean annual runoff,
precipitation, and evapotranspiration in the part of the United
States east of Cleveland, Ohio and north of the southern limit of
glaciation.  The maps are mutually consistent in that runoff equals
precipitation minus evapotranspiration everywhere. …