Editing Adams County, Iowa (section)

==Geography==
According to the [[U.S. Census Bureau]], the county has a total area of {{convert|426|sqmi}}, of which {{convert|423|sqmi}} is land and {{convert|2.1|sqmi}} (0.5%) is water.<ref name="GR1">{{Cite web |date=February 12, 2011 |title=US Gazetteer files: 2010, 2000, and 1990 |url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html |access-date=April 23, 2011 |publisher=[[United States Census Bureau]]}}</ref> Almost half (46%) of the county is in the [[East Nodaway River]] watershed.<ref name="GIS">{{cite web |url=https://data-msdis.opendata.arcgis.com/datasets/mo-usgs-huc12-watershed-boundaries/explore |title=MO USGS HUC12 Watershed Boundaries |publisher=Missouri Department of Natural Resources |website=Missouri Spatial Data Information Service |access-date=April 12, 2025 |archive-url=https://web.archive.org/web/20250415151609/https://data-msdis.opendata.arcgis.com/datasets/mo-usgs-huc12-watershed-boundaries/explore |archive-date=April 15, 2025}}</ref>

===Major highways===
*[[File:US 34.svg|x20px]] [[U.S. Route 34 in Iowa|U.S. Highway 34]]
*[[File:Elongated circle 148.svg|x20px]] [[Iowa Highway 148]]

===Adjacent counties===
*[[Cass County, Iowa|Cass County]] (northwest)
*[[Adair County, Iowa|Adair County]] (northeast)
*[[Union County, Iowa|Union County]] (east)
*[[Taylor County, Iowa|Taylor County]] (south)
*[[Montgomery County, Iowa|Montgomery County]] (west)