Underground
During the height of The Pandemic David Popp continued modeling "Underground" in this unique series.
![MRVP Insider: MRVP Underground with David Popp, Episode 11 — A virtual guest](https://www.trains.com/wp-content/uploads/2020/10/MRV042720_MRI_MRVPUndergrdWk11_1391.jpg)
MRVP Insider: MRVP Underground with David Popp, Episode 11 — A virtual guest
David has a guest? A virtual guest, that is. But he's certainly no stranger to...
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![MRVP Insider: MRVP Underground with David Popp, Episode 10 — Troublesome trip pin](https://www.trains.com/wp-content/uploads/2020/10/MRV042420_MRI_MRVPUndergrdWk10_1389.jpg)
MRVP Insider: MRVP Underground with David Popp, Episode 10 — Troublesome trip pin
More work on On30 gondola trucks and wheelsets… at least until David gets tripped up...
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![MRVP Insider: MRVP Underground with David Popp, Episode 1 Introduction](https://www.trains.com/wp-content/uploads/2020/03/MRV033020_MRI_MRVPUndergrdWk1_1379-400x225.jpg)
MRVP Insider: MRVP Underground with David Popp, Episode 1 Introduction
Model Railroader Video Plus (MRVideoPlus.com) creator and Trains.com Executive Producer David Popp takes viewers into...
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