Elizabeth McGowan and Lisa Song, “The Dilbit Disaster: Inside the Biggest Oil Spill You've Never Heard Of,” InsideClimate News- https://insideclimatenews.org/news/20120626/dilbit-diluted-bitumen-enbridge-kalamazoo-river-marshall-michigan-oil-spill-6b-pipeline-epa.
Garret Ellison, “Kalamazoo River oil spill timeline after 6 years,” MLive- https://www.mlive.com/news/index.ssf/2016/07/kalamazoo_river_oil_spill_time.html.
David Hasemyer, “Enbridge Fined for Failing to Fully Inspect Pipelines After Kalamazoo Oil Spill,” InsideClimate News- https://insideclimatenews.org/news/03052018/enbridge-fined-tar-sands-oil-pipeline-inspections-kalamazoo-michigan-dilbit-spill.
US EPA, Enbridge Spill Response Timeline- https://www.epa.gov/enbridge-spill-michigan/enbridge-spill-response-timeline.
Great Lakes Environmental Law Center, 60-day Notice of Intent to Sue letter- https://www.greatlakeslaw.org/files/glelc_enbridge_60_day_notice_letter.pdf.
Anatomy of an oil spill – federal report on the Enbridge pipeline disaster that polluted the Kalamazoo River- https://www.greatlakeslaw.org/blog/2012/07/anatomy-of-an-oil-spill-federal-report-on-the-enbridge-pipeline-disaster-that-polluted-the-kalamazoo.html.
National Wildlife Federation video- https://youtu.be/YqLGuNDxPTw.
Enbridge video and timeline- https://www.enbridge.com/marshall/marshall-release-timeline.
For additional reading, “Oil and Freshwater Don’t Mix: Transnational Regulation of Drilling in the Great Lakes,” 38 Boston College Environmental Affairs Law Review 303 (2011)-https://www.greatlakeslaw.org/files/hall_bcealr_article.pdf.