The last known photo of the Heilwood Company Store, taken in winter 1963.
Historical marker conveying some inaccurate information.
Cambria & Indiana Railroad History
The Cherry Tree & Dixonville Railroad
Coal Dust: The Early Mining Industry of Indiana County
(Special Collections & Archives at Indiana University of Pennsylvania)
The Diary of S.H. Jencks
(Cambria & Indiana Railroad)
The Historical & Genealogical Society of Indiana County, Pennsylvania
Indiana County Coal Mine Index
(Virtual Museum of Coal Mining in Western Pennsylvania)
McIntyre, Pennsylvania, The Everyday Life of a Coal Mining Company Town: 1910-194
The T. R. Johns Collection: Beneath the Surface: Life, Work and Social Structure in the Mining Community of Heilwood, Pennsylvania
(The Pennsylvania State University Libraries)