Heducing drought effects on croplands in the West-Central Great Plains
Greb, B.W.
Heducing drought effects on croplands in the West-Central Great Plains - Washington 1979 - 31 p. - No. 420; United States Departm .
Heducing drought effects on croplands in the West-Central Great Plains - Washington 1979 - 31 p. - No. 420; United States Departm .