Crook Farm
The Crook Farm is an historic district in Foster Township near Bradford, McKean County, Pennsylvania, United States. It includes the Crook Farmhouse, constructed originally in 1856 and believed to be the oldest such structure in the area. It also includes the Olmstead Well Site, the first large producer of oil from the Bradford Oil Field.
It was listed on the National Register of Historic Places on March 26, 1976.