![#TBT (ThrowbackThursday)](https://coloradorailroadmuseum.org/wp-content/uploads/2022/01/4k.00_01_31_24.Still004-1080x675.jpg)
![#TBT (ThrowbackThursday)](https://coloradorailroadmuseum.org/wp-content/uploads/2022/01/4k.00_01_31_24.Still004-1080x675.jpg)
![#TBT (ThrowbackThursday)](https://coloradorailroadmuseum.org/wp-content/uploads/2021/12/4k.00_01_11_16.Still002-1080x675.jpg)
#TBT (ThrowbackThursday)
It’s #TBT and for #ThrowbackThursday this week we have some 4K footage captured by Museum volunteer John Mexiel of Denver & Rio Grande Western No. 346 and Rio Grande Southern No. 20 double-heading a train during the Museum’s Triple Steam-Up event in...![#TBT (ThrowbackThursday)](https://coloradorailroadmuseum.org/wp-content/uploads/2021/12/Sequence-02.00_00_59_24.Still001-1080x675.jpg)