- Here we go.
- We got the net down, David.
- Good.

4 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.

You can hear this line at 00:21:35.136 in the Blu-ray version of the movie.

Quote context

[...]

- If any parts of the wall that contained the fossil were ever deposited in here, the rock test should prove it.

- Yeah.

- I'll get the Aqua-Lungs.

- You be careful, David. We don't know what's down there.

- I hope you're afraid for me too, Kay.

- Of course, Mark.

- A little faster. Come on! Faster! All right, let her down. All the way. Come on, down, down. All the way. All right. Hold it!

- Here we go.

- We got the net down, David.

- Good.

- This is crazy kind of fishing.

- Who eats rocks?

- I do, in a manner of speaking. I crush them and they tell me things.

- Now, you be careful.

- What these rocks tell you, anyway?

- How old they are. It's called the uranium-lead test.

- What do you wanna know that for?

- So we can match them against the sample in which the fossil was found.

[...]