(NIAGARA FALLS) Niagara in Winter * Niagara with Mining Shaft. Together, 2 photographs. Albumen prints, each approximately 14x17 inches (35.6x43.2 cm.), the first with H.F. Nielson and Co.'s credit on mount verso and the other with a title, date and annotations in a period hand, in pencil, on the overmat. Circa 1880
