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Call No: 333.91 HIR [ All ]

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  Title Copies
50 Ways Farmers Can Protect Their Groundwater 
Year: 1994 
ISBN: 1883097002 
ISBN 13: 9781883097004 
Call No: 333.91 HIR 
60 Ways Farmers Can Protect Surface Water 
Year: 1997 
ISBN: 1883097150 
ISBN 13: 9781883097158 
Call No: 333.91 HIR