Wikimedi'Òc

Pawtucket Falls (NYPL Hades-1826188-1662546).tiff - Fæ

Concord, New Hampshire LCCN2004666446.jpg - Fæ

Amoskeag Manufactoring Co. Dam & Gate House (IA manchesterbriefr00cla) (page 103 crop).jpg - Capmo

Haverhill Bridge and station on 1893 bird's eye view map.jpg - Pi.1415926535

Alvan Fisher - Merrimack River Landscape - 1951.23 - Harvard Art Museums.jpg - BotMultichillT

The Old Bridge, Merrimac River, Newburyport, Leroy Milton Yale, 1887.jpg - Academia45