Stock Photo: Mountain range from a sandpit along the Kancamagus Highway during the winter months in the White Mountains, New Hampshire USA This area was part of the Swift River Railroad, which was an logging railroad in operation from 1906 - 1916 Mount Passaconaway. Mountain range from a sandpit along the Kancamagus Highway during the winter months in the White Mountains, New Hampshire USA This area was part of the Swift River Railroad, which was an logging railroad in operation from 1906 - 1916 Mount Pa