Butterflies of Mahoning County - Presents photos and species accounts of butterflies found within the county. www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/chklist/states/counties/oh_99.htm
Mahoning Soil and Water Conservation District - Agency responsible for protecting the natural resources within the county that assists landowners in planning and applying conservation practices on their land. mahoningswcd.org
Water Resources of Mahoning County - Factsheet providing information on water resources and drinking water quality in the county. ohioline.osu.edu/aex-fact/0480_50.html
