They stopped using that burial ground when the ground went sour.
6 seconds sound clip from the Pet Sematary (1989) movie soundboard.
You can hear this line at 00:59:23 in the Blu-ray version of the movie.
Quote context
[...]
- Sometimes dead is better. The Indians knew that.
- They stopped using that burial ground when the ground went sour.
- Don't think about doing it. The place gets hold of you, but the place is evil.
- You see, Louis, what I'm getting at here? You understand?
- You're telling me that place knew Gage was going to die?
- I'm saying that place might have made Gage die because I introduced you to the power.
[...]