REMOVE

1. Photographs
2. U.S.A.: New York, Niagara Fa …

WHAT

1. Photograph (1)
2. daguerreotype (1)

WHERE

1. American (1)
2. U.S.A.: New York, Niagara … (1)

WHO

1. Babbitt, Platt D. (1)
2. National Gallery of Canad … (1)

WHEN

1. 1850 (1)
2. 1860 (1)
3. c. 1855 (1)