Croton Reservoir, circa 1865 A stereoview photograph of the Croton Reservoir in Central Park from Deloss Barnum's "Views in Central Park" series. The site of the reservoir is now occupied by the Great Lawn. Date: Various Source: crotonhistory.org — https://crotonhistory.org/2012/12/14/croton-reservoir-circa-1865/ License: Used with attribution; consult crotonhistory.org for permissions