nostr:nprofile1qqsqxefne258ydmfgm2wfl02fsdqgs0d5wx29kweg9amxcqxew4t7kqug5vw5 and any other #trainstr nerds. I just found out my dad made an interesting choice for his pilgrimage to see the Union Pacific Big Boy. He went to watch it cross the Rockville Bridge, the longest stone masonry arch railroad viaduct ever built.