You would have to go and check. They occasionally do get puppies and all different breeds. Full grown dogs seem to be more common though. But it'd be worth checking because a lot of people give up animals there for whatever reason. Like due to being sick or just not able to handle a puppy. There is an animal shelter in Montrose as well it might be worth your while to check with them as well.
The only dogs I've ever seen at Griffin pond animal shelter in South Abington township Pennsylvania are pitbulls.
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