Butterflies of Summit County - Presents photos and species accounts of butterflies found within the county. www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/chklist/states/counties/oh_153.htm
Summit County Ground Water Resources - Fact sheet providing information on ground water resources in the county. ohioline.osu.edu/aex-fact/0490_77.html
Summit Soil and Water Conservation District - Provides local leadership and technical assistance for innovative programs to conserve soil, improve water quality and enhance the natural resources of the county. summitswcd.org
Water Resources of Summit County - Fact sheet providing information on water resources and drinking-water quality in the county. ohioline.osu.edu/aex-fact/0480_77.html