# Regional Haze: EPA's Proposal to Improve Visibility in National Parks and Wilderness Areas
> **Numbered Report (97-series)** · 1998-07-09 · `97-1010ENR`
## Report
- **CRS ID:** 97-1010ENR
- **Series:** Numbered Report (97-series)
- **Publication date:** 1998-07-09
## Documents
- [PDF](https://www.everycrsreport.com/files/19980709_97-1010ENR_8a547d09a8b2394475718708a5a79e57949214d6.pdf)
- [HTML](https://www.everycrsreport.com/files/19980709_97-1010ENR_8a547d09a8b2394475718708a5a79e57949214d6.html)
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