Keywords: Margeson Estate House, Newington, New Hampshire.jpg Main house of the former Richman-Margeson Estate now part of the Great Bay National Wildlife Refuge Newington New Hampshire http //www fws gov/northeast/planning/great 20bay/pdf/draftccp/19w_Entire_Document 5385KB pdf PDF page 44 published 2012 Mao Teng Lin US Fish and Wildlife Service PD-USGov National Register of Historic Places in Rockingham County New Hampshire Houses on the National Register of Historic Places in New Hampshire Great Bay National Wildlife Refuge PD-USGov |