Butterflies of Hamilton County - Presents photos and species accounts of butterflies found within the county. www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/chklist/states/counties/oh_61.htm
Hamilton County Environmental Action Commission - Community group works to identify existing toxic problems and sources, assist in designating areas which warrant investigation, and recommend and prioritize solutions. hceac.epa.state.oh.us/hceac.htm
Hamilton Soil and Water Conservation District - Agency responsible for the protection of natural resources within the county that assists landowners in planning and applying conservation practices on their land. www.hcswcd.org
