# Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training
> **Long Report (Legacy)** · 2009-02-18 · `RL34403`
## Report
- **CRS ID:** RL34403
- **Series:** Long Report (Legacy)
- **Publication date:** 2009-02-18
## Documents
- [PDF](https://www.everycrsreport.com/files/20090218_RL34403_41814a6ef8781dd259cf50ee781b2de1367d0ae5.pdf)
- [HTML](https://www.everycrsreport.com/files/20090218_RL34403_41814a6ef8781dd259cf50ee781b2de1367d0ae5.html)
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