Source:Chartiers-expressway
From Pittsburgh Streets
"Chartiers Expressway bids opened: Pittsburgh firm low bidder on part of project." Pittsburgh Post-Gazette, June 7, 1969, p. 6. Newspapers.com 88517055.
"Chartiers Expressway bids opened: Pittsburgh firm low bidder on part of project." Pittsburgh Post-Gazette, June 7, 1969, p. 6. Newspapers.com 88517055.