The Susquehanna, Gettysburg and Potomac Railway (SG&P) was a railroad that operated in Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 in the 1870s. The 17 mile (27 km) main line ran from Gettysburg

Gettysburg, Pennsylvania

Gettysburg is a borough that is the county seat, part of the Gettysburg Battlefield, and the eponym for the 1863 Battle of Gettysburg. The town hosts visitors to the Gettysburg National Military Park and has 3 institutions of higher learning: Lutheran Theological Seminary, Gettysburg College, and...

 to Hanover

Hanover, Pennsylvania

Hanover is a borough in York County, Pennsylvania, southwest of York and north-northwest of Baltimore, Maryland.The town is situated in a productive agricultural region. The population was 15,289 at the 2010 census. The borough is served by a 717 area code and the Zip Codes of 17331-34...

.

The SG&P was formed in 1870 to purchase the assets of the Gettysburg Railroad

Gettysburg Railroad

The Gettysburg Railroad was a railway line in Pennsylvania that operated from 1858-1870 over the 17 mile main line from the terminus in Gettysburg to the 1849 Hanover Junction...

. The railroad owned two steam locomotives, one passenger car and two freight cars. The line connected at Hanover to the Hanover Branch Railroad

Hanover Branch Railroad

The Hanover Branch Railroad Company was a railroad that operated in Pennsylvania in the mid-19th century. The company was incorporated on March 16, 1847 and began operating trains in 1852...

, which ran eastward to Hanover Junction

Hanover Junction, Pennsylvania

Hanover Junction is a small unincorporated community in south-central York County, Pennsylvania, United States, near the borough of Seven Valleys...

, where it connected with the Northern Central Railway

Northern Central Railway

The Northern Central Railway was a Class I Railroad connecting Baltimore, Maryland with Sunbury, Pennsylvania. Completed in 1858, the line came under the control of the Pennsylvania Railroad in 1861, when the PRR acquired a controlling interest in the Northern Central's stock to compete with the...

. Operations were handled by the Hanover Branch RR.

In 1874 the SG&P merged with Hanover Branch to form the Hanover Junction, Hanover and Gettysburg Railroad

Hanover Junction, Hanover and Gettysburg Railroad

The Hanover Junction, Hanover and Gettysburg Railroad was a railroad line in Pennsylvania in the 19th century. The 38 mile main line ran from Orrtanna to Hanover Junction where it connected with the Northern Central Railway...

. The new company extended the line west to Marsh Creek in 1884 and to Orrtanna

Orrtanna, Pennsylvania

Orrtanna is a census-designated place in Adams County, Pennsylvania, United States. The population was 173 at the 2010 census.-Geography:Orrtanna is located at ....

 in 1885. In 1886 the company merged with the Baltimore and Hanover Railroad

Baltimore and Hanover Railroad

The Baltimore and Hanover Railroad was a railroad that operated in Maryland in the 19th century. The 20 mile main line ran from Emory Grove, Maryland north to the Pennsylvania state line near Black Rock Junction, where it connected with the Bachman Valley Railroad.The B&H was chartered by the...

 to form the Baltimore and Harrisburg Railway

Baltimore and Harrisburg Railway

The Baltimore and Harrisburg Railway was a railroad that operated in Maryland and Pennsylvania in the 19th and early 20th centuries. The 59 miles main line ran from Emory Grove, Maryland to Orrtanna, Pennsylvania, with a 6 miles branch from Valley Junction, Pennsylvania to Hanover Junction,...

. This company was controlled by the Western Maryland Railway

Western Maryland Railway

The Western Maryland Railway was an American Class I railroad which operated in Maryland, West Virginia, and Pennsylvania. It was primarily a coal hauling and freight railroad, with a small passenger train operation. The WM became part of the Chessie System in 1973 and ceased operating its lines...

, and the WM bought the company in 1917.