Editing Delaware (section)

===Topography===
Delaware is on a level plain, with the lowest mean elevation of any state in the nation.<ref name="census">{{cite web|url=https://www.census.gov/prod/2004pubs/04statab/geo.pdf|page=216|title=Extreme and Mean Elevations by State and Other Area|website=Statistical Abstract of the United States: 2004–2005|publisher=United States Census Bureau|access-date=March 16, 2011|archive-url=https://web.archive.org/web/20110310194411/http://www.census.gov/prod/2004pubs/04statab/geo.pdf|archive-date=March 10, 2011|url-status=live}}</ref> Its highest elevation, located at [[Ebright Azimuth]], near [[Concord High School (Wilmington, Delaware)|Concord High School]], is less than {{convert|450|ft}} above sea level.<ref name="census" /> The northernmost part of the state is part of the [[Piedmont (United States)|Piedmont Plateau]] with hills and rolling surfaces.

The [[Atlantic Seaboard fall line]] approximately follows the [[Delaware Route 2|Robert Kirkwood Highway]] between [[Newark, Delaware|Newark]] and [[Wilmington, Delaware|Wilmington]]; south of this road is the [[Atlantic Coastal Plain]] with flat, sandy, and, in some parts, swampy ground.<ref>{{cite web|url=http://www.dgs.udel.edu/delaware-geology/summary-geologic-history-delaware|title=A Summary of the Geologic History of Delaware|publisher=The Delaware Geological Survey|access-date=March 19, 2013|archive-url=https://web.archive.org/web/20130312150937/http://www.dgs.udel.edu/delaware-geology/summary-geologic-history-delaware|archive-date=March 12, 2013|url-status=live}}</ref> A ridge about {{convert|75|to|80|ft}} high extends along the western boundary of the state and separates the [[drainage basin|watersheds]] that feed Delaware River and Bay to the east and the [[Chesapeake Bay]] to the west.