Brink, Wellington.
Big Hugh : the father of soil conservation / Wellington Brink. - New York : Macmillan, 1951. - 167 p. : ill. ; 21 cm.
326 326
Soil conservation.
United States.
920 / B439b
Big Hugh : the father of soil conservation / Wellington Brink. - New York : Macmillan, 1951. - 167 p. : ill. ; 21 cm.
326 326
Soil conservation.
United States.
920 / B439b