Here are the SPC passenger cars that ended up on the White Pass.
#59 built by Carter in 1883 to NWP #731 to WP&YR #244.
#65 built by Harlan & Hollingsworth in 1887 to NWP #38 to NWP #728 to WP&YR #248.
#1011 built by Carter in 1884 for San Joaquin & Sierra Nevada "ETTIE" to Northern Railway (SP) #1011 to SPC #1011 to NWP #731 to WP&YR (coach) #246 then to WP&YR (parlor) #264.
Also body of SPC coach #39 (Carter 1881) is at Orange Empire. Orange Empire also has SP narrow gauge box car #11 that started out as SPC #126 and a SP stock car built on a SPC flat car.