This is not strictly a manhole cover though no reason not to include it I see quite a few of these on my job. It is a flush mount cover for a well to monitor ground water quality. There are a LOT of them in NJ. Reply
i LOVE this one!
This is not strictly a manhole cover though no reason not to include it I see quite a few of these on my job. It is a flush mount cover for a well to monitor ground water quality. There are a LOT of them in NJ.