The Bruce Meyer Collection - Photo CD “The Mainlines”. This CD contains 212 detailed black and white mainline action photographs from the Missabe Railroad Historical Societies Bruce Meyer Photograph Archive Collection. Mainline Yellowstone action as well as Proctor Hill transfer service and a Yellowstone #228 fan trip highlight this CD. The photos can be viewed either in the self-starting CD photo album book or individually. The book works on Windows (Win 2000/XP/Vista) and Mac OS.