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It could b a fill tube to an underground oil tank. If it rusts/rusted and has/had oil in it ground contamination is worse than mosquito breeding


It is a termite bait station, used to give subterranean termites an easy way to get what they think is food, carry it back to their nest and distribute it to all, killing the entire colony. Most likely your property has a lot of dead wood on it and is harboring termite colonies that are then migrating and attacking your neighbors, so they put the stations ...

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