2017 demonstration against Keystone XL Pipeline Environmental, National Keystone XL Pipeline Leaks 210,000 Gallons of Oil in South Dakota by Rosemary Piser on November 16, 2017 Rosemary Piser Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 Spill affected stretch of pipeline from Hardisty, Alberta, to Cushing, Oklahoma, and to Wood River, Illinois