 A mudslide severed the line on April 14, 1983, ending "Rio Grande Zephyr" service west of Grand Junction, Colorado.After the line was rebuilt, Amtrak's newly renamed "California Zephyr" began operating over the D&RGW on July 16, 1983, with stops at both Thompson Springs and Green River.The Green River stop was eliminated along with lightly used stops at Bond and Rifle in Colorado on October 30, 1983.