El Paso Natural Gas Company built a refinery at the Continental Divide in New Mexico around the area of 35.48698357712149, -108.4264608980443. The refinery was known locally as the Gallup Refinery or the Ciniza Refinery. By 1964, El Paso Gas sold the refinery to the Shell Oil Company. Then in 1982, Giant Oil Refining purchased the refinery from Shell. In 1987, Giant built the largest truck stop and retail facility in their chain one mile south from the refinery. On June 7, 2003, Giant sold its travel center in Jamestown to Pilot Travel Centers. Pilot Travel Center #305 houses Jamestown's post office; the post office has ZIP code 87347.
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 Wikipedia 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.