Early last December I found a big big HO layout near me and posted about it here.
If anyone cares to view, I just found that there is a video of it:
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Day 285 of 365 Things To Do In Edmonds, WA
- Swamp Creek & Railroad Association
From earlier: Take a look:
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Swamp Creek & Western Railroad Association
210 Railroad Ave. Edmonds, WA 98020