Shjeflo, Jelmer B. 1911- Evapotranspiration and the water budget of prairie potholes in north Dakota / by Jelmer B. Shjeflo. -- Washington : United States Government Printing Office, 1968 - 49 p. -- (Geological Survey Professional Paper ; 585-B). Subjects--Topical Terms: Dakota del NorteEvapotranspiración Universal Decimal Class. No.: 551.573(784)