Releasing steam before the blast
Temporary steam chimney placed over steam vaults.
Orange and white cylinders, with flared base; roosting for only a limited time due to preside of external water boiling off creating steam flowing to the top of the chimney.
Generally found on the street overtop steam manholes.
Manhattan steam district, from Battery Park to 96th Street uptown on the West side, and 89th Street on the East side of Manhattan.