Portland Observatory - Portland, ME
Posted by: YoSam.
N 43° 39.930 W 070° 14.897
19T E 399359 N 4835478
One of several markers inside the observatory.
Waymark Code: WMKBQV
Location: Maine, United States
Date Posted: 03/16/2014
Views: 5
County of tower: Cumberland County
Location of tower: 138 Congress St., Munjoy Hill, Portland
Marker erected by: National park Service, United States Department of the Interior
Date marker erected: 2006
Marker Text:
PORTLAND OBSERVATORY
has been designated a
NATIONAL HISTORIC LANDMARKThis site posses national significance in commemorating the history of the United States of America
This observatory is the nation's only remaining maritime signal tower. It served as a communication station for Portland's bustling harbor from 1807 to 1923, announcing the arrival o0f ships with a unique system of colorful flags.