skyline, portland, maine, nov. 2020, and casco bay bridge overlooking portland harbor and casco bay

2020 active america americas atlantic bay bridge bridges casco citys coast commercial county cumberland economy englandn fishing front harbor harbord has important industry landscape landscapes largest last left maine marine maritime new nov ocean one overlooking panorama panoramic plays port portland ports role sea seaport seaports seaside shipping still supports that tonnage transportation usa water waterfront waterfronts working