Their page has a brief history and a calendar covering the next few months. There are also some photos from 2025:
https://www.snemrr.org/index.html
The following photos were taken on my first visit in April 2026, when the B&M RR Historical Society visited in lieu of their normal meetings in Lowell. They'd gotten out a lot of B&M locos and equipment for the visitors. Their own photos show some of pretty much everything.
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IIRC, the bridge to the right is an Atlas kit.
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Most of the buildings and flats were built by Herm Botzow, who also has a home O 2-rail layout I've never seen. He has been open for many Tour De Chooches, but I've never found time to visit; between my own layout often being open and the 66 mile air-line distance turning into 101 miles and almost 2 hours because of NH's tourist- and legislature-oriented road network, I'd need most of a day.
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Their signal system uses Atlas logic, more in my Lineside Signaling thread.
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Some of the structures are real showpieces, many are background flats.
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This is the yard that visitors have to go down stairs, under and back up to see the rest of the layout.
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One of the B&M trains on display.
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The dispatcher's desk includes access to at least 12 video cameras to give an idea of what's going on where.
That's quite the dispatcher's rig!
dave