On Sunday, April 19th, Keiji and I attended this year’s Sierra Seminar hosted by the Tuolumne Historical Railroad Association Inc. (THRA), held at the Black Oak Casino Resort in Tuolumne, CA. This year’s presenters included Chris Hart of the Sierra Railroad, Kyle Wyatt (retired curator for the California State Railroad Museum), Stan McInturf of Daylight Productions, Jeff Gibeling (Chairman of the California State Railroad Museum Foundation Board of Directors), Hunter Lohse, and Mike Ninneman.