Kategori:1842 anläggningar i Pennsylvania
Sidor i kategorin "1842 anläggningar i Pennsylvania"
B
Benzinger Township, Elk County, Pennsylvania
G
Glas, gjutmaskiner, keramik, plast och Allied Workers International Union
Glendon Iron Company
K
Köpmannafonden
L
Leesport, Pennsylvania
M
Malvern Preparatory School
P
Pine Valley täckt bro
R
Ross Furnace
S
Spring Garden Street Bridge
St. Marys, Pennsylvania
T
Tarentum, Pennsylvania
U
Upper Black Eddy–Milford Bridge
V
Villanova universitet
W
West Newton, Pennsylvania
White Haven, Pennsylvania
Whitmans
Wyoming County, Pennsylvania