000 00514nam a22001697a 4500
999 _c32256
_d60254
005 20201216131937.0
037 _aBC_327 30/A
_fbroch
040 _aBC-ENSA
_bfre
041 _afre
_bfre
110 _aEtats-Unis. Soil conservation service
245 _aManuel de conservation du sol
260 _aWashington, D.C.
_bGovernment Printing Office
_c1950
300 _a359 p.
_bill.
_c24 cm
562 _e01 exemplaire(s)
942 _c09
653 _aSOL/COSERVATION/AGRICULTURE