"And beneath these hills and rivers, coal."; "Upper Monongahela Valley Association. Coal Bureau."; "Bituminous coal--Monongahela River Valley (W. Va. and Pa.)", "Bituminous coal--West Virginia."; "Upper Monongahela Valley Association. Coal Bureau."; "1942?"; "

Pamphlet.

"; ""; "P888"; "pec"; "Bituminous coal--Monongahela River Valley (W. Va. and Pa.)", "Bituminous coal--West Virginia."; "14256"; .