I have noticed that when I try to use the survey to locate clay it doesn’t show up in the swamp area by the birdbath. Does anyone else have this problem?

-Hello MN Thriller

I apologize for the issue you've run into during your time with Grounded. You'll be happy to know that this issue should be resolved in the next patch. Please submit a support ticket if this still isn't resolved after the patch or if you run into any other issues. 

Thanks for taking the time to let us know about this issue and have a great day!