O’BRIEN & HOOLIHAN COMPANY RAILROAD (NY) 3’
Con 1907 19?? [Po]
O’BRIEN & MULLARKY COMPANY RAILROAD (PQ) 3’
Con 1908 19?? [Po]
O'CONNELL (M.T.) LUMBER COMPANY RAILROAD (WA) 3’6”
Log 1909 1916 16 miles [A/Li/Tb]
O'QUINN WILLIAMS LUMBER COMPANY RAILROAD (LA) 3’
Log 19?? 19?? [Li/Tb]
OAHU RAILWAY & LAND COMPANY (HA) 3' Gen 1888 1972
73 miles [Tb/Tsu2] {H/X}
OAHU SUGAR COMPANY RAILROAD (HA) 3' Farm 1897 1950 56
miles [Tb] {Co/X}
OAK GROVE & GEORGETOWN RAILROAD (AL) 3' Log 1904 1927
26 miles [E/G/Tb] {H/La}
OAK HILL COAL COMPANY RAILROAD (KY) 3’8” Mine
1903 19?? [Po]
OAK LAND & LUMBER COMPANY RAILROAD (AR) 4' Log 1884
18?? 7 miles [De/Li/Tsu]
OAK RUN LUMBER COMPANY RAILROAD (WV) 3’ Log 1901
19?? [Li/LR]
Oakdale & Cumberland Mountain Railroad (TN) part
of WALDEN'S RIDGE RAILROAD
Oakdale Iron Works Railroad (TN) see WALDEN'S RIDGE RAILROAD
Oakland & East Side Railroad (CA) part of CALIFORNIA
& NEVADA RAILROAD
Oakland Cable Railway (CA) part of OAKLAND RAILROAD
OAKLAND LUMBER COMPANY RAILROAD (WV) 3' Log 19?? 19??
[C/K/LR]
Oakland Narrow Gauge Railroad (CA) part
of OAKLAND RAILROAD
OAKLAND PAVING COMPANY RAILROAD (CA) 3' Ind 1873 1923
{F}
OAKLAND RAILROAD (CA) 3’ Str 1888 1901sg {F/Hi/Tb}
Oakland Township Railroad (CA) part of SOUTH PACIFIC
COAST RAILWAY
Oaklawn Sugar Company Railroad (LA) see OAKLAWN PLANTATION
RAILROAD
OAKLAWN PLANTATION RAILROAD (LA) 3’ Farm 1899 1952
14 miles [Tb] {Bu}
OAKLEY PLANTATION RAILROAD (LA) 3’ Farm 5 miles
[Bu]
Oakwood Lumber Company Railroad (WV) see PICKENS &
ADDISON RAILWAY
OAXACA & EJUTLA RAILROAD
(MX) 3' Gen 1898 1931 45 miles {B}
Occidental Development Company Railroad (CO) see BALD
MOUNTAIN RAILROAD
OCMULGEE RIVER & NORMANDALE RAILROAD (GA) 3'6" Gen
29 miles [G/T/Tb] {RG}
OCONEE MILLING COMPANY RAILROAD (GA) 3’ Ind 1899
1902 [Li]
OGARRIO RAILROAD (MX)
2'6” Mine 1896 1914 10 miles {B/Lo}
OHENOA COAL COMPANY RAILROAD (KY) 3’8” Mine
1907 19?? [Po]
Ohio & Toledo Railroad (OH) part of CONNOTTON
VALLEY RAILWAY
OHIO & WESTERN LIME COMPANY RAILROAD (OH) 2’
Mine 19?? 19?? [Li]
OHIO MARBLE COMPANY RAILROAD (OH) 3' Mine 1920 19?? [Po]
Ohio Pennsylvania Lumber Company Railroad (AL) see AXIS
& BLUFF RAILWAY
Ohio River & Western Railroad (OH) part of BELLAIRE
ZANESVILLE & CINCINNATI RAILWAY
OHIO RIVER EDISON COAL COMPANY RAILROAD (OH) 3’
Mine 1926 19?? [Po]
Ohio Steel Company Railroad (OH) see YOUNGSTOWN STEEL
WORKS NARROW GAUGE RAILROAD
OHIO VALLEY RAILROAD & MINING COMPANY (KY) 3’8”
Mine 1884 19?? [Po]
OHIOPYLE LUMBER COMPANY RAILROAD (PA) 3' Log 1902 1918
26 miles [Tb] {Kn/Ta}
Ohiopyle Lumber Company Railroad (WV) see CURLL &
EVANS LUMBER COMPANY RAILROAD; PITTSBURGH & WESTERN LUMBER COMPANY RAILROAD
OJO DE LIEBRE RAILROAD (MX) 2'6" Mine 193? 194? {X}
OLD EAGLE MINES RAILROAD (PA) 3’7½” Mine 1890
19?? [Po]
OLD HICKORY PLANTATION RAILROAD (LA) 3’ Farm 10
miles [Bu/Tb]
Old Hickory Planting & Manufacturing Company Railroad
(LA) see OLD HICKORY PLANTATION RAILROAD
OLD MISSION CEMENT COMPANY RAILROAD (CA) 3' Ind 1912 1929
4 miles [Tb] {F/X}
OLD RIVER & KISSATCHIE RAILWAY (LA) 3' Log 1901 1915
26 miles [E/G/T]
Olean Bradford & Warren Railroad (NY) part of
OLEAN BRADFORD & WARREN RAILWAY
OLEAN BRADFORD & WARREN RAILWAY (NY/PA) 3' Gen 1877
1898sg 27 miles [E/G/Tb] {H/Ta/X}
OLEAN CHEMICAL COMPANY RAILROAD (KY) 3' Log 1918 1932
[LR]
Olean Railroad (NY) part of ALLEGANY CENTRAL RAILROAD
OLIVE & STERNENBERG TIMBER COMPANY RAILROAD (TX) 3'
Log 1889 1912 7 miles [E/G/Tsu]
OLIVER & SNYDER STEEL COMPANY RAILROAD (PA) 3’4”
Ind 1913 19?? [Po/Tb]
Oliver Brothers & Phillips Company Railroad (PA) see
CLAPP GRIFFITH STEEL WORKS RAILROAD
OLIVER BROTHERS SALT COMPANY RAILROAD (CA) NG Ind 1893
19?? {F}
OLIVER IRON MINING COMPANY RAILROAD (MI) 1’11”
Mine 1902 19?? [Po/Tb]
Oliver Iron Mining Company Railroad (MN) see ADAMS MINE
NARROW GAUGE RAILROAD; CROXTON MINE NARROW GAUGE RAILROAD; FAYAL MINE NARROW GAUGE RAILROAD
OLOWALU SUGAR COMPANY RAILROAD (HA) 2' Farm 1889 1931
4 miles [Tb] {Co}
OLSON BROTHERS COMPANY RAILROAD (OR) 3' Log 1910 19??
5 miles [A]
OLSON BROTHERS LUMBER COMPANY RAILROAD (WA) 3' Log 1926
1928 1 mile [A]
OLYMPIA & CHEHALIS VALLEY RAILROAD (WA) 3' Gen 1877
1890sg 17 miles [E/G/T] {Fl/H/RO}
Olympia & Owingsville Railroad (KY) part of OWINGSVILLE
& OLYMPIA RAILROAD
Olympia & Tenino Railroad (WA) part of OLYMPIA
& CHEHALIS VALLEY RAILROAD
Olympia Railroad (WA) part of OLYMPIA & CHEHALIS
VALLEY RAILROAD
OMAHA ZOO RAILROAD (NE) 2’6” Tour [X]
OMAK CREEK RAILROAD (WA) 3' Log 1922 1948 45 miles [A/Li/Tb]
{X}
OMOHUNDRO LUMBER COMPANY RAILROAD (SC) 3' Log [Fe]
ONALASKA LUMBER COMPANY RAILROAD (TX) 3’ Log 18??
19?? [Li/Tb]
Orange & Fredericksburg Railroad (VA) part of
POTOMAC FREDERICKSBURG & PIEDMONT RAILROAD
ORANGE BELT RAILWAY (FL) 3' Gen 1885 1904sg 153 miles
[E/G/T] {H/P/X}
ORANGE GROVE PLANTATION RAILROAD (LA) 3’ Farm 9
miles [Bu]
ORANGE GROVE STREET RAILWAY (CA) 3' Str 1888 1896 3 miles
{F/X}
Orange Ridge DeLand & Atlantic Railroad (FL) part
of DELAND & ST. JOHNS RIVER RAILWAY
OREGON COAL & NAVIGATION COMPANY RAILROAD (OR) 3’
Mine 1898 19?? [Po]
OREGON COAL COMPANY RAILROAD (WV) 4’ Mine 1910 19??
[Po]
Oregon Lumber Company Railroad (OR) see SUMPTER VALLEY
RAILWAY
OREGON PORTAGE RAILWAY (OR) 3' Gen 1891 1896 3 miles [E/G/T]
{H}
Oregon Railway and Navigation Company Ilwaco Branch (WA) part
of ILWACO RAILROAD
Oregon Railway and Navigation Company Walla Walla Branch
(WA) part of WALLA WALLA & COLUMBIA RIVER RAILROAD
Oregon Railway (OR) part of OREGONIAN RAILWAY
Oregon Short Line & Utah Northern Railway (ID/MT/UT) part
of UTAH & NORTHERN RAILWAY
Oregon State Portage Railroad (OR) part of OREGON
PORTAGE RAILWAY
Oregon Western Railroad (OR) part of OREGONIAN RAILWAY
Oregonian Railroad (OR) part of OREGONIAN RAILWAY
OREGONIAN RAILWAY (OR) 3' Gen 1877 1893sg 153 miles [E/G/T]
{H/RO/X}
ORESKANY ORE & IRON COMPANY RAILROAD (VA) 3’
Ind 1909 19?? [Po]
ORIENT COKE COMPANY RAILROAD (PA) 3’8” Mine
1907 19?? [Po]
Oro Grande Mining Company Railroad (CA) see CALICO RAILROAD
OROVILLE
EXTENSION CONSTRUCTION RAILROAD (CA) Con 3’ 1909 19?? [Po]
Osborne Saeger & Company Railroad (PA) see ECLYPSE
MINE RAILROAD
OSCEOLA SILICA FIRE BRICK COMPANY RAILROAD (PA) 3' Ind
1910 19?? [Cm]
Otis Elevating Railway (NY) part of CATSKILL MOUNTAIN
RAILROADS
Otis Iron & Steel Company Railroad (OH) see OTIS STEEL
COMPANY RAILROAD
Otis Railway (NY) part of CATSKILL MOUNTAIN RAILROADS
OTIS STEEL COMPANY RAILROAD (OH) 1’11” Ind
1888 19?? [Po/Tb]
OTISVILLE TUNNEL CONSTRUCTION RAILROAD (NY) 3’ Con
1905 19?? [Po]
OTRANTO LUMBER COMPANY RAILROAD (SC) 3' Log 1912 19??
4 miles [LR/Tb] {Fe}
OTTER CREEK BOOM & LUMBER COMPANY RAILROAD (WV) 3'
Log 1897 19?? [K/LR/Tb]
OTTUMWA IRON WORKS RAILROAD (IA) 3’1¾” Ind
18?? 18?? [Po]
OTUMBA & CUAUHYTENGO RAILROAD
(MX) 2' Farm 1898 1940 10 miles {B/Lo}
OVERFAIR RAILWAY (CA) 1’7” Tour 1905 191?
1 mile [Tb] {F}
OWEN OREGON LUMBER COMPANY RAILROAD (OR) 2’6”
Log 19?? 19?? [Tb]
OWENS (JOHN D.) & SON COMPANY RAILROAD (OH) 3’
Ind 1918 19?? [Li]
OWINGSVILLE & OLYMPIA RAILROAD (KY) 3' Gen 1915 1918
6 miles [E/G] {H/SK}
OXBRIDGE MINES RAILROAD (SC) 3’ Mine 1882 19?? [Po]
OXFORD FURNACE RAILROAD (NJ) 3’ Ind 1900 19?? [Po/Tb]
OXFORD LAKE LIME COMPANY RAILROAD (AL) 3’ Mine 1889
19?? [Po/Tb]
OXLEY STAVE COMPANY RAILROAD (LA) 3’ Log 19?? 19??
[Li]
