Butterflies of Hardin County - Presents photos and species accounts of butterflies found within the county. www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/chklist/states/counties/oh_65.htm
Hancock 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. www.bright.net/~hanswcd
Hardin County Ground-Water Resources - Factsheet providing information on ground-water resources in the county. ohioline.osu.edu/aex-fact/0490_33.html
Hardin Soil and Water Conservation District - Provides local leadership in the conservation and wise use of soil, water and related resources through a balanced cooperative programs that protects, restores, and improves those resources. www.bright.net/~hswcd
Water Resources of Hardin County - Factsheet providing information on water resources and drinking-water quality in the county. ohioline.osu.edu/aex-fact/0480_33.html
