C&TS Hoppers

I recall seein a post some time ago regarding C&TS ballast cars that said a pair of small, former standard gauge hoppers were in use. IIRC, these were supposed to be ex Butte, Anaconda & Pacific cars. Does anyone have information and or photos they would be willing to share with me? I'm writing a book on the BA&P. For this same project, and more in keeping with this forum, I am looking for photos of the early Utah & Northern operations serving Butte and Anaconda, before it was standard gauged. Please respond to me off list, and pardon the standard gauge intrusion.
Thanks! Charlie Mutschler rgs@ior.com