268 Wisconsin Academic of Sciences, Arts, and Letters. 
RAILROADS IN OPERATION BEFORE JAN. 1, 1848. 
Ohio. 
Sandusky, Mansfield, and Newark, Sandusky to Mansfield. 66 
Mad River and Lake Erie, Sandusky to Bellefontaine. 102 
Little Miami, Cincinnati to Springfield... 84 
Erie and Kalamazoo, Toledo to Adrian. 33 
Indiana. 
Madison and Indianapolis, Madison to Indianapolis. 86 
Illinois. 
Northern Cross, Meredosia to Springfield..... 55 
Michigan. 
Michigan Southern, Monroe to Hillsdale.. 66 
Michigan Southern, Junction to Tecumseh. 10 
Michigan Central, Detroit to Kalamazoo. 143 
Detroit and Milwaukee, Detroit to Pontiac.. 25 
Total mileage, Jan 1, 1848 . 660 
RAILROADS COMPLETED DURING 1848. 
Ohio. 
Mad River and Lake Erie, Bellefontaine to Springfield. 32 
Illinois. 
Galena and Chicago Union, Chicago to Harlem. 10 
Michigan. 
Michigan Central, Kalamazoo to Niles. 48 
New mileage for 1848.. 90 
Total mileage, Jan. 2, 1849. 750 
RAILROADS COMPLETED DURING 1849. 
Ohio. 
Mad River and Lake Erie, Carey'to Findlay.. 16 
Illinois. 
Northern Cross, Naples to Bluffs. 5 
Michigan. 
Michigan Central, Niles to New Buffalo... 27 
New mileage for 1849. 48 
Total mileage, Jan. 1, 1850. 798 
RAILROADS COMPLETED DURING 1850. 
Ohio. 
Cleveland, Columbus, and Cincinnati, Cleveland to Shelby_ 67 
Columbus and Xenia, Columbus to Xenia.... 55 
Indiana. 
Indianapolis and Bellefontaine, Indianapolis to Pendleton. 28 
Jeffersonville, Jeffersonville to Memphis. 15 
Shelbyville Lateral, Edinburgh to Shelbyville. 10 
Shelbyville and Knightstown, Shelbyville to Knightstown. 27 
Shelbyville and Rushville, Shelbyville to Rushville. 20 
Illinois. 
Galena and Chicago Union, Harlem to Elgin. 34 
Aurora Branch, Aurora Junction to Aurora... 13 
