000 00264 a2200109 4500
080 _a55:63
_bM 171 E
245 1 _aElements of agricultural geology
_cby P. McConnell
260 _c1902
650 _aAgricultural Geology
100 1 _aMcConnell, P.
_d
901 _a14633
999 _c31094
_d31094