Black and white photograph of a man standing behind a partially constructed sewer trench.

Black and white photograph of a boy and a girl, David and Mary Burkhead, sitting on chairs on grass next to a house.

Black and white photograph of a boy and a girl, David and Mary Burkhead, sitting on chairs on grass next to a house.

Black and white photograph of a boy, David Burkhead, sitting on a chair on grass next to a house. His eyes are closed.

Black and white photograph of a girl, Mary Burkhead, sitting on a chair on grass next to a house.

Black and white photograph of a sidewalk lined with cottages.

Black and white photograph of Helen Burkhead (niece of Robert Merrill) and four children outside behind a house and next to a garage.

Black and white photograph, multiple exposures of the sun at different positions of a sunset at a beach. Two piers are visible in the distance.

Black and white photograph, multiple expostures of the sun at different positions of a sunset at a beach. Two piers are visible in the distance.

Black and white photograph of a two-story house at 1111 Jefferson Avenue SE, Grand Rapids, Michigan.

Black and white photograph, multiple exposures of the sun at different positions of a sunset at a beach. Two piers are visible in the distance.

Black and white lantern slide of a derailed train on the NY Central line near the Mohawk River, surrounded by a crowd of people. The image is dark and out of focus.

Black and white lantern slide of Robert Merrill (3rd from left) with members of his family in Macatawa, Michigan. Lena Billington Merrill stands at the far right. Other family members are not identified.

Black and white lantern slide of the Merrill family lakeside cottage in Macatawa, Michigan.

Black and white lantern slide of the Golden Gate Viaduct in Yellowstone National Park.

Black and white lantern slide of a black bear cub.

Black and white lantern slide of a black bear cub.

Black and white lantern slide copy of a sketch map showing Lake Tonawanda and spillways from it to glacial Lake Iroquois, with surrounding text from an unidentified publication.

Black and white lantern slide copy of a sketch map of the vicinity of Lake Ontario showing physiographic divisions, with surrounding text from an unidentified publication.

Black and white lantern slide copy of a sketch map showing moraines around the west end of Lake Ontario, with surrounding text from an unidentified publication.

Black and white lantern slide copy of a sketch of Niagara Falls done in 1698 by Father Louis Hennepin.

Black and white lantern slide of a group of five unidentified people, including three men and two women, sitting together on the bank of a river. The woman at the far right may be Lena Merrill.

Black and white lantern slide copy of a postcard of Mt. Fuji, Japan. Produced by the Baker-Coster Photo Co., Grand Rapids, Michigan.

Colored lantern slide of a street scene labeled "Benten-dori Yokahama." In the brightly hand-tinted scene, a rickshaw is traveling down the street toward a tall building with a clock tower. A nearby sign shaped like an elephant reads "Fukadaya Ivory…