"Presenting Allegheny album, Monongahela Power Company's new colorful sound movie : a positive picture of West Virginia. "; "Allegheny Power System.", "Monongahela Power Company."; "Electric power--Pennsylvania.", "Electric power--Maryland.", "Electric power--West Virginia.", "Documentary films."; "undated"; "

Pamphlet.

"; ""; "P15195"; "pec"; "Monongahela Power Company.", "Electric power--Pennsylvania.", "Electric power--West Virginia.", "Allegheny Power System.", "Electric power--Maryland.", "Documentary films."; "14256"; .