|Elevation||1,037 ft (316 m)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||1177432|
Horning is a neighborhood in the borough of Baldwin in Allegheny County, Pennsylvania, United States. It was the residence of miners of the Pittsburgh Terminal Railroad and Coal Company #4 Mine, which had a racially integrated workforce, unusual in that era.
"D" Mine (Pittsburgh Terminal Coal Company #4)
Horning was founded at the opening of a coal mine along the West Side Belt Railroad by the Pittsburg Terminal Coal Company, about 1903. In 1905, Philip Murray was elected president of the United Mine Workers of America local in Horning. On February 3, 1926, 20 miners were killed in an explosion in this mine. It was the scene of armed labor unrest in 1928. The mine was closed October 5, 1939.
- U.S. Geological Survey Geographic Names Information System: Horning, Pennsylvania
- Smith Brown, Eliza (2007). African American Historic Sites Survey of Allegheny County. DIANE Publishing Inc. pp. 178–179. ISBN 9781422314906.
- "Pictures Rescue work in Burning Mine". New York Times. 6 Feb 1926. Retrieved 19 December 2010.
- "Labor: Horror in Pennsylvania". TIME (Feb. 13). 1928. Retrieved 26 December 2010.
- "(Letters) Pittsburgh Terminal Coal Corp.". TIME (Feb. 27). 1928. Retrieved 26 December 2010.
- "Allegheny County Pennsylvania Coal Mine Index". Virtual Museum of Coal Mining in Western Pennsylvania. Retrieved 26 December 2010.
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