000 01265nam a2200289 a 4500
001 GVH
003 CY-NiDCL
005 20201204062627.0
008 091030s1997 us bf ||| |engd
020 _a0607868090
_q(pbk)
040 _beng
_dΒιβλιοθήκη Τμήματος Γεωλογικής Επισκόπησης
_aCY-NiDCL
082 7 _a333.760973
100 1 _aGillion, Robert J.
_4aut
_9132915
245 1 0 _aClassification and mapping of agricultural land for national water-quality assessment /
_cby Robert J. Gilliom and Gail P. Thelin.
260 _aUnited Stated:
_bU. S. Department of the Interior,
_bU. S. Geological Survey
_c[1997].
300 _avi, 70 p. :
_btables, maps ;
_c28 cm.
490 0 _a;
_v1131
504 _aIncludes bibliographical references (p. 30).
650 4 _aAgricultural mapping
_zUnited States
_9129838
650 4 _aLand use, Rular
_zUnited States
_9134240
650 4 _aWater quality
_zUnited States
_9138181
700 1 _aThelin, Gail P.
_4asn
_9137584
710 2 0 _aUnited States.
_bDepartment of the Interior
_4pbl
_9137798
710 0 _aUnited States
_bGeological Survey
_4pbl
_9137805
911 _a000093
_e20091030
_j1997
_n333.760973 GIL
_p1
_q21
_r0
_s0
942 _2ddc
_cBK
_h333.760973 GIL
999 _c75912
_d75912