Water-quality assessment of the eastern Iowa basins : hydrologic and biologic data, October 1996 through September 1998 / by Kimberlee K.B. Akers ... [et al.] (Open-file report ; 00-67)
Water-quality assessment of the eastern Iowa basins : hydrologic and biologic data, October 1996 through September 1998 / by Kimberlee K.B. Akers ... [et al.]