# Pipeline Safety: Information on Keystone Accidents and DOT Oversight
> **GAO Report** · 2021-07-22 · `gao-21-588`
## Report
- **GAO ID:** gao-21-588
- **Type:** Report
- **Published:** 2021-07-22
## Source
- [GAO product page](https://www.gao.gov/products/gao-21-588)
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