A train carrying petroleum asphalt derailed into the Yellowstone River in Montana two months ago. Cleanup crews are gone, but the river is still filled with the substance.

Wendy Weaver with Montana Freshwater Partners examines petroleum asphalt from a June 2023 train derailment into the Yellowstone River near Reed Point, Mont., Monday, Aug. 21, 2023.

--Trio Petroleum Corp, a California- based oil and gas company, is pleased to announce oil production, using a downhole heater, from its first well HSO 2-4 on its Asphalt Ridge Project in Uintah ...

Matthew Brown / AP Wendy Weaver with Montana Freshwater Partners examines petroleum asphalt from a June 2023 train derailment into the Yellowstone River near Reed Point, Mont., Monday, Aug. 21, 2023.

Bakersfield, CA, Sept. 12, 2024 (GLOBE NEWSWIRE) -- Trio Petroleum Corp (NYSE American: “TPET”, “Trio” or the “Company”), a California-based oil and gas company, is pleased to announce ...

Petroleum asphalt remains in Yellowstone River, even after cleanup from train derailment. By Associated Press. Published August 23, 2023 10:42 PM . By ...