Proceedings of the fourth international soil correlation meeting (ISCOM) characterization, classification, and utilization of aridisols part A papers edited by J.M. Kimble and W.D. Nettleton. - Washington Soil Conservation Survey 1990. - [8], 250 p. ill. 28 cm.

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Soil management--Congresses.--United States
Arid soils--Congresses.--United States