What you can do to help Google and your local pool halls.
If you do a google search for "Gary Indiana pool hall" there are three locations that pop up. the first two have the same address and clicking on "play some billiards" we get a photo of a field.
You will see a link or two that says Suggest an edit and maybe Own this business?
If you are absolutely positive (drive by and check) that the location is closed click on suggest an edit and click on remove this place.
If the pool hall is still in business and has not claimed their listing you might consider asking them to claim the listing and update it. Or make suggested edits like setting the location, hours, name, etc.
No matter where you are there are a couple of easy searches you can do to find the places around you.
Search Google for Pool Hall near me
Search Bar Box Tables near me