cletrac.org - OC-4 with Howard van Driest & John Tomko at plant http://cletrac.org/photos/details.php?image_id=66 Mon, 20 Apr 2026 09:29:19 GMT http://cletrac.org/photos/data/thumbnails/24/Gramps_Tomko_OC4.jpg OC-4 with Howard van Driest & John Tomko at plant http://cletrac.org/photos/details.php?image_id=66