Butterflies of Monroe County - Presents photos and species accounts of butterflies found within the county. - http://www.butterfliesandmoths.org/map?dc=344&_dcc=1&si=36
Monroe County Ground-Water Resources - Factsheet providing information on ground-water resources in the county. - http://ohioline.osu.edu/aex-fact/0490_56.html
Water Resources of Monroe County - Factsheet providing information on water resources and drinking-water quality in the county. - http://ohioline.osu.edu/aex-fact/0480_56.html