https://www.cprr.org/Museum/Stereo_World/Carbutt/index.html
Carbutt and the Union Pacific's Grand Excursion to the 100th Meridian
Carbutt and the Union Pacific's Grand Excursion to the 100th Meridian, By William Brey, Stereo World, Vol. 7, No. 2, May - June 1980, pp. 4-9.
the uniongrand excursioncarbuttpacificmeridian