Publication 298
Certain Workers of Shifler Plant, Pittsburgh, and Maywood Plant, Los Angeles, Ambridge Bridge Div., U.S. Steel Corp. - Transmission Towers, Invs. TEA-W-9 and TEA-W-10
Certain Workers of Shifler Plant, Pittsburgh, and Maywood Plant, Los Angeles, Ambridge Bridge Div., U.S. Steel Corp. - Transmission Towers, Invs. TEA-W-9 and TEA-W-10