423 - NPR
423 NPRSubmarine hobbyists are helping scientists in Montana do environmental research on the state's lakes. Researchers couldn't otherwise afford to rent subs, and it ...
![423 - NPR](https://media.npr.org/assets/img/2019/08/29/pronk-doc_wide-c0a9930c7330210d588de157372a4a8218b11c60.jpg?s=1400)
Submarine hobbyists are helping scientists in Montana do environmental research on the state's lakes. Researchers couldn't otherwise afford to rent subs, and it ...