David Parkinson had owned several other shortlines in the western US, such as the California Northern Railroad, under his ParkSierra Rail Group, which was sold in 2002 to RailAmerica, which was purchased in turn by Genesee & Wyoming in 2012.
David Parkinson's company, ParkSierra Rail Group, owned several shortlines in the western US, including the California Northern Railroad. The group was later sold to RailAmerica in 2002, and then acquired by Genesee & Wyoming in 2012.