Family Works to Improve Water Quality <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Black+Hawk+County%2C+Iowa">Black Hawk County, Iowa</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Lanehaven+Farms+">Lanehaven Farms </a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Bioreactors+">Bioreactors </a> Feature article on Lanehaven Farms in Black Hawk County and the use of bioreactors to reduce nitrates. The Gazette State Library of Iowa 2013-11-26 Black Hawk County Soil and Water Conservation District, Black Hawk County, Iowa.For questions about copyright, contact the State Library of Iowa at <a>http://www.statelibraryofiowa.org.&gt;</a> This item is protected by copyright and/or related rights. Your are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a href="http://rightsstatements.org/">http://rightsstatements.org</a> pdf eng Text; Clipping