The Iowa State-Wide Rural Well-Water Survey: Site and Well Characteristics and Water Quality, G. R. Hallberg, K. Woida, R. D. Libra, K. D. Rex, K. D. Sesker, B. C. Kross, L. S. Seigley, B. K. Nations, D. J. Quade, D. R. Bruner, H. F. Nicholson, J. K. Johnson, and K. L. Cherryholmes, 1992, 43 p., 1 fig., 26 tables. The Technical Information Series presents research results on a wide variety of geological studies. As its name implies, the series requires that the reader have some background in geologic concepts and terminology.