Chris: Thanks for your help! I went to Amazon and found some books on the C&S/DSP&P. I am getting a little more enthusiastic since my friend is getting a few more pieces of rolling stock.
All of you fellow modelers on here are really helpful.
In the Missouri Ozarks (not quite mountains)
Don't forget the "Files" section on the C&Sn3 main blog page -- click on the button just below the bottom of the telegraph pole that's next to the Dickey depot in Darel's header photo, the one that says "Files".
Rick Steele posted a comprehensive C&S locomotive roster there.
And yours-truly posted a complete set of C&S locomotive folio sheets.
There is an incredible amount of prototype information on this site; learn to use it!