No use looking anywhere nearby a railroad or any kind of road at all, for that matter, because construction engineers make it their business to examine every bit of ground around the road while they build them.

8 seconds sound clip from the The Treasure of the Sierra Madre movie soundboard.

You can hear this line at 00:21:50.377 in the Blu-ray version of the movie.

Quote context

[...]

- How come you're putting up for me?

- This is an all-or-nothing proposition, ain't it?

- If we make a find, we'll be lighting our cigars with $100 bills. If we don't, the difference between what you put up and what I put up ain't enough to keep me from being right back where I was this afternoon: polishing a bench with the seat of my pants.

- Put her there, pard.

(Steam train whistle blowing)

- We'll buy our burros here at Perlin, then head northwest away from the railroad.

- No use looking anywhere nearby a railroad or any kind of road at all, for that matter, because construction engineers make it their business to examine every bit of ground around the road while they build them.

- We got to go where there's no trails at all, where you can be positive that no surveyor or anybody who knows anything about prospecting has ever been there before.

- Best places are those who... Anybody who works on a salary wouldn't go, because he wouldn't think it worth his while to risk his hide.

- Echense al piso pronto! Mi valija! Andale!

- I got 3 of them. Credit me with 3.

- How many did you get?

- A couple, I guess.

- I'm one up on you. Bet I got more than you did, pop. I got 3. Nice shooting, eh?

[...]