Classification and mapping of agricultural land for national water-quality assessment.
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MARC
| LEADER | 00000nam a2200000 a 4500 | ||
|---|---|---|---|
| 008 | 170703s1997####||||f#|||||00| 0#eng#d | ||
| 003 | AR-EzCA | ||
| 024 | 8 | |a US GEOLOGICAL SURVEY 1131 | |
| 080 | |a 631 | ||
| 091 | |a 427cae | ||
| 100 | 1 | |a Gillion, Robert | |
| 245 | 1 | 0 | |a Classification and mapping of agricultural land for national water-quality assessment. |
| 653 | 4 | |a AGRICULTURA | |
| 700 | 1 | |a Thelin, P. | |
| 999 | |c 31408 |d 31408 | ||