User:NE2/Ohio gauge

1871 Pennsylvania


 * 1848: Ohio general railroad law requires 4'10"
 * 1851-52: Pennsylvania law requires 4'8½" or 6'0" east of Erie and 4'10" west of Erie; repealed 1853
 * 1852: Ohio law permits change from 4'10" for continuity
 * Great Western Railroad (Illinois)? Is this a typo in 1862?