"ROUND THE STATE ON THE PENNSYLVANIA INTERSTATE " 1967 PENNSYLVANIA HIGHWAY PROMO FILM MD10154
28:49
" A PIONEER ... THE PENNSYLVANIA TURNPIKE " 1960s PENNSYLVANIA IHIGHWAY SYSTEM PROMO FILM MD10124
25:06
Comanche vs. Apache : The Fight for West Texas
28:29
" THE MOVABLE BRIDGE " 1970 AMERICAN BRIDGE DIVISION OF UNITED STATES STEEL PROMO FILM MD10094
52:01
How two competing tunnel projects became Boston’s Big Dig
28:14
" PENNSYLVANIA " 1960s TRAVELOGUE FILM PHILADELPHIA HARRISBURG PITTSBURGH MD67744
27:50
Pennsylvania's Interstates 1967
26:56
" THE DAY THAT MADE A DIFFERENCE " 1964 FALLOUT SHELTER CONSTRUCTION CIVIL DEFENSE FILM GG12195
16:42