 A series of photographs from the work in 1901 shows the assembly of the three lower courses at Wilson's Point, the lowering of the cylinder and the light in the fall of 1901 prior to a deposit of protective riprap.The tall Greens Ledge Light was completed in 1902 and serves as a typical example of a sparkplug lighthouse.Located in of water, the foundation flares out to support the deck the lighthouse is built on and includes a cavity for the lighthouse's brick basement and cisterns.