History
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- New Jersey Midland Railroad Historical Society
- Dedicated to the preservation of the history of the railroads that have operated in New Jersey, with emphasis on the New Jersey Midland and its successor New York, Susquehanna Western.
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- New York Ontario and Western Railway Historical Society
- Railroad historical society focusing on the New York Ontario and Western Railway.
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- New York Railroad Enthusiasts
- Railroad historical society in New York City, focusing on all interests including fan trips, photography, history, models.
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- New York Susquehanna and Western Technical and Historical Society
- Railroad historical society focusing on the New York Susquehanna and Western Railroad, both from the historical perspective and present day operations.
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- Norfolk & Western Historical Society
- The goal of the Norfolk and Western Historical Society, Inc. is the preservation of the history of the Norfolk and Western and Virginian railroads.
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- Norfolk Southern Railway Historical Society
- Society dedicated to preserving the history of the original Norfolk & Southern Railroad.
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- Northern Pacific Railway Historical Association
- Independent and non-profit educational organization celebrating the heritage of the Northern Pacific Railway.
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- Pacific Railroad Society
- One of the oldest and largest rail enthusiast clubs for people who are interested in railroad history and travel.
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- Penn Central Railroad Historical Society
- Dedicated to preserving the history of the Penn Central Railroad.
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- Phillipsburg Railroad Historians
- Dedicated to preserving the railroad history of Warren County and surrounding areas.
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- Railroad Station Historical Society
- Railroad historical society devoted to the study of railroad depots, towers, roundhouses, bridges, and other railroad structures.
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- Richmond, Fredericksburg & Potomac Railroad Historical Society
- Historical society dedicated to promoting and preserving the history of the Richmond, Fredericksburg and Potomac Railroad through education, historical and technical research.
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- Rocky Mountain Railroad Club
- Denver, Colorado based organization is dedicated to the preservation of historic railroad equipment, and encouraging an interest in the railroad tradition.
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- San Bernardino Railroad Historical Society
- Society which has a focus of collecting historically relevant pieces of Santa Fe heritage for preservation.
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- San Diego Electric Railway Association
- Dedicated to the preservation of the history of the San Diego Electric Railway.
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- Santa Clara River Valley Railroad Historical Society
- Non-profit volunteer organization dedicated to the preservation of the history and heritage of the railroad in the Santa Clara River Valley.