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Hydrogeologic and Water Quality Investigations in the Big Spring Basin, Clayton County, Iowa
Iowa. Department of Natural Resources. Geological Survey Bureau
其他書名
1983 Water-year
出版Iowa Geological Survey, 1984
URLhttp://books.google.com.hk/books?id=YoQHHAAACAAJ&hl=&source=gbs_api
註釋"The fifth report describing on-going investigations of groundwater quality in northeastern Iowa, and the third report dealing with results from work in the Big Spring basin in particular"--Foreword.