1 For more examples of usage of this term, see Citations:pintle. ( gunnery) An iron pin used to control recoil of a cannon or around which a gun carriage revolves.
Karns City, Pennsylvania. For other uses, see Karns (disambiguation). Karns City is a borough in Butler County, Pennsylvania, United States. The population was 209 at the 2010 census.
Mill Hall is a borough in Clinton County, Pennsylvania, United States. The population was 1,568 at the 2000 census. Mill Hall is located at 41Â°6â²23â³N 77Â°29â²16â³W / 41.10639Â°N 77.48778Â°W / 41.10639; -77.48778 (41.105359, -77.487804). According to the United States Census Bureau, the borough has a total area of 1.0 square miles (2.6 kmÂ²), all of it land.