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is a town in Washington County, Maryland, United States. The population was 467 as of the 2007 United States Census Bureau estimates.
According to the United States Census Bureau, the town has a total area of 0.1 square miles (0.3 km²), all of it land.
The town is situated at the eastern base of Fairview Mountain, along U.S. Route 40 and Interstate 70. The area is underlain by Conococheague limestone. The spring for which the town is named is the only local source of ground water, from which the local run, Tom's Run, receives its volume.