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crwdns2933797:0Brooke Masoncrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Brooke Mason
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| + | [title] Measuring starting depth |
|---|---|
| + | [* green] Using a tape measure, measure the length from the bottom of the ultrasonic depth sensor to the water surface. |
| + | [* blue] Measure the length from the bottom of the ultrasonic depth sensor to the bottom of the stream bed. |
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