The older residents of Altoona no doubt remember when steam ruled the rails, and the air was constantly filled with coal smoke, and a bitter taste filled their mouths. Locomotive smoke still fills the air, but it is blue, and dissipates much faster, as demonstrated by this paid of SD40-2 helpers pushing a train west at Slope.
Not
just heritage schemes, not just commemorative schemes - this album is devoted to some of the world's most interesting paint schemes, past or present.
