TY  - JA
AU  - Nielsen,G.A.
AU  - Miller,E.V.
TI  - Crop yields on native soils and strip mine soils:  a comparison [Reclamation, USA]
SN  - 0022-4561
U1  - 81-673493 
PY  - 1980///
KW  - Erosion
KW  - USA
N1  - ill. 2 ref
T2  - Journal of Soil and Water Conservation
ER  -