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The Firehole River swimming area should be Sample Site 4. Many people come here to bathe in the summer, so it’s a good place to look for signs of questionable water quality.

Last, but not least, let’s sample the area around Firehole Falls. Along the way, we’ll take temperature readings, examine the stream’s water chemistry, and observe the fish, microorganisms, and aquatic macroinvertebrates living at each site. We’ll plan on meeting with Dr. Farnheid in exactly one week.

Then the sooner, we get moving, the better! As Sherlock Holmes used to say, “The game’s afoot!”

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Cast of characters - Maya Crowbes, Dr. A Beadle, Gray Fischer, Viola DeRama
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Q: Where is a popular place to bathe in the river during the summer?

GLOSSARY: Sherlock Holmes—a fictional English detective created by Sir Arthur Conan Doyle

ACTIVITY 2: Streaming Video (328KB pdf)