It didn't look dug up to me.
4 seconds sound clip from the The Texas Chain Saw Massacre movie soundboard.
You can hear this line at 00:07:31 in the Blu-ray version of the movie.
Quote context
[...]
- You see, they say it's just an old man talking. You laugh at an old man.
- There's them that laughs and knows better.
- They're sure. The man said they could tell if the grave had been dug up.
- Don't worry. I saw it myself.
- It didn't look dug up to me.
- What is that stench? Roll up the window.
- Hey, that's the old slaughterhouse. That's where Grandpa used to sell his cattle.
- We got an uncle that works at one of those places outside of Ft. Worth.
[...]