Here are many of the schedules that Amtrak had issued in the fall of 1991. Notice the many routes that no longer operate today. When I dug this set of schedules out of my collection, there were a few routes, such as the Gulf Breeze and the River Cities, which I never even knew about.
(1991-10-27) Adirondack
(1991-10-27) Broadway Limited
(1991-10-27) California Zephyr
(1991-10-27) Capital Limited
(1991-10-27) Cardinal
(1991-10-27) Carolinian
(1991-10-27) City of New Orleans
(1991-10-27) Coast Starlight
(1991-10-27) Crescent
(1991-10-27) Desert Wind
(1991-10-27) Empire Builder
(1991-10-27) Gulf Breeze
(1991-10-27) Lake Shore Limited
(1991-10-27) Maple Leaf
(1991-10-27) Montrealer
(1991-10-27) Palmetto
(1991-10-27) Pennsylvanian
(1991-10-27) Pioneer
(1991-10-27) River Cities
(1991-10-27) Silver Meteor
(1991-10-27) Silver Star
(1991-10-27) Southwest Chief
(1991-10-27) Sunset Limited
(1991-12-15) Texas Eagle
(1991-10-27) Atlantic City Express
(1991-10-27) Keystone Service
(1991-10-27) Empire Service
(1991-10-27) Metroliner Service
(1991-10-27) Michigan Service
(1991-10-27) Northeast Corridor
(1991-10-27) New York to Boston
(1991-10-27) New York to Washington
(1991-10-27) Springfield Line
(1991-10-27) Tidewater Service