The community was first settled by Andrew Cottrill (1736–1781) in 1772.
In 1903, 453 acres were purchased to create the Steelton Addition to the city of Clarksburg and representatives of the Cleveland, Ohio based Grasselli Chemical company agreed to locate a plant on the property. In May 1904, operations began at the first unit of the chemical plant employing 50. In June 1904, plans were developed to construct houses to rent to plant employees. Many of the workers were immigrants from Asturias, Spain.
In 1917, a post office was established and given the name of Anmoore.
In December 1950, the city was incorporated and Victor Gonzalez was elected the first mayor.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (3), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.