000 00252 a2200109 4500
080 _a55:63
_bR 229 A
245 1 _aAgricultural geology
_cby R.H. Rastall
260 _c1922
650 _aAgricultural Geology
100 1 _aRastall, R.H.
_d
901 _a72867
999 _c31097
_d31097