Allegheny River Lock and Dam No. 4
00000398
Allegheny River Navigation System MPS
EVENT
ARCHITECTURE/ENGINEERING
MODERNE
TRANSPORTATION
MARITIME HISTORY
ECONOMICS
ENGINEERING
1925-1949
1900-1924
499-0 BC
1920
1948
STRUCTURE
National Register of Historic Places Collection
pdf
22151
4/21/2000
National Register of Historic Places
State: Pennsylvania
County: Allegheny County
Natrona ; 1 River Ave.
Historic
022a71d3-8da8-4eca-b262-e8243478d3dd

Allegheny River Lock and Dam No. 4
00000398
Allegheny River Navigation System MPS
EVENT
ARCHITECTURE/ENGINEERING
MODERNE
TRANSPORTATION
MARITIME HISTORY
ECONOMICS
ENGINEERING
1925-1949
1900-1924
499-0 BC
1920
1948
STRUCTURE
National Register of Historic Places Collection
pdf
22151
4/21/2000
National Register of Historic Places
State: Pennsylvania
County: Allegheny County
Natrona ; 1 River Ave.
Historic
1fdc5d10-8772-412f-bd9d-cf2315ac05ba