https://golf.com/instruction/rules/rules-guy-play-shot-from-practice-putting-green/
Can you play a shot from a practice putting green? Rules Guy
Apr 4, 2023 - What do you do when your ball lands on a practice putting green? Are you allowed to hit it? Rules Guy has the answer.
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https://easychair.org/publications/preprint/6PFM
Putting Green Software Principals into Practice.
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