Breckwoldt, Ronald.
The dirt doctors : a jubilee history of the Soil Conservation Service of NSW / Roland Breckwoldt. - N.S.W. : Coil Conservation Service, 1988. - 182 p. : ill.(col).
0730558452
66061270
Soil conservation--Citizen participation.
Soil science.
Conservationists--N.S.W. (Australia).
The dirt doctors : a jubilee history of the Soil Conservation Service of NSW / Roland Breckwoldt. - N.S.W. : Coil Conservation Service, 1988. - 182 p. : ill.(col).
0730558452
66061270
Soil conservation--Citizen participation.
Soil science.
Conservationists--N.S.W. (Australia).