This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PTM. Portland Terminal Company ALCO HH series locomotive in Portland Yard in the summer of Transferred from org en to Commons by User glorioussandwich summer Thewellman at org en Thewellman Original upload log page en PTM Thewellman bytes no Terminal Company ALCO HH series locomotive in Portland Maine Yard in