"Executive summary, Wheeling West Virginia metropolitan area."; "Ohio Valley Industrial and Business Development Corporation (Wheeling, W. Va.)"; "Ohio River Valley--Description and travel.", "Ohio River Valley--Statistics."; "Ohio Valley Industrial and Business Development Corporation (Wheeling, W. Va.)"; "undated"; "

Pamphlet.

"; ""; "P20363"; "pec"; "Ohio River Valley--Description and travel.", "Ohio River Valley--Statistics."; "14256"; .