Work starts in Montana on disputed Canada-US oil pipeline

FILE - This Nov. 3, 2015 file photo shows the Keystone Steele City pumping station, into which the planned Keystone XL pipeline is to connect to, in Steele City, Neb. Pipeline sponsor TC Energy says it has started preliminary work along its route through the U.S. as opponents wait for a judge to rule on their request to block the project. (AP Photo/Nati Harnik, File)

This March 11, 2020 photo provided by the Bureau of Land Management shows a storage yard north of Saco, Mont., for pipe that will be used in construction of the Keystone XL oil pipeline near the U.S.-Canada border. A Canadian company said Monday, April 6, 2020, that it's started construction on the long-stalled Keystone XL oil sands pipeline across the U.S.-Canada border, despite calls from tribal leaders and environmentalists to delay the $8 billion project amid the coronavirus pandemic. (Al Nash/Bureau of Land Management via AP)

FILE - In this Aug. 7, 2019, file photo, Montana Gov. Steve Bullock speaks at the National Press Club in Washington. Major construction projects moving forward along the U.S. borders with Canada and Mexico amid the coronavirus pandemic are raising fears workers could spread infections within nearby communities including several Native American tribes. Bullock said that could further strain rural health systems facing the coronavirus. (AP Photo/Patrick Semansky, File)

FILE - In this Oct. 29, 2019 file photo, opponents of the Keystone XL oil pipeline from Canada demonstrate in sub-freezing temperatures in Billings, Mont. Alberta is investing $1.1 billion in the disputed Keystone XL pipeline, a project that Alberta Premier Jason Kenney says is crucial for the province's economy. (AP Photo/Matthew Brown, File)

This March 11, 2020 photo provided by the Bureau of Land Management shows the proposed route of the Keystone XL oil pipeline where it crosses into the U.S. from Canada in Phillips County, Mont. A Canadian company said Monday, April 6, 2020, that it's started construction on the long-stalled Keystone XL oil sands pipeline across the U.S.-Canada border, despite calls from tribal leaders and environmentalists to delay the $8 billion project amid the coronavirus pandemic. (Al Nash/Bureau of Land Management via AP)

This March 11, 2020 photo provided by the Bureau of Land Management shows the proposed route of the Keystone XL oil pipeline where it crosses into the U.S. from Canada in Phillips County, Montana. A Canadian company said Monday, April 6, 2020, that it's started construction on the long-stalled Keystone XL oil sands pipeline across the U.S.-Canada border, despite calls from tribal leaders and environmentalists to delay the $8 billion project amid the coronavirus pandemic. (Al Nash/Bureau of Land Management via AP)