when the first Croton Aqueduct began delivering water to a reservoir in what is now Manhattan’s Central Park. Road salt is considered a main driver of the increase, along with sewage treatment ...

Tenders for five sewers, opened yesterday at the Croton Department, were awarded as follows: Sewer in Tenth-avenue, from Thirty-fifth to Thirtysixth street; four bids, of which Hugh McGrane was ...