Always 5 Domes! A dome-observation car is on the rear every time.

CB&Q 9967 has the inbound California Zephyr at Westmont, IL (Chicago suburb) on June 15, 1962. She was built in 1952 and became BN 9967(E8A), was rebuilt with HEP as BN 9905(E9AM), and ended up as MARC 65(E9AM).

Done