Butterflies of Muskingum County - Presents photos and species accounts of butterflies found within the county. www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/chklist/states/counties/oh_119.htm
Muskingum Soil and Water Conservation District - Provides leadership and assistance for the conservation and enhancement of the natural resources and environment in the county. www.muskingum.oh.nacdnet.org
Water Resources of Muskingum County - Factsheet providing information on water resources and drinking-water quality in the county. ohioline.osu.edu/aex-fact/0480_60.html
