Black and white lantern slide of neat piles of stones collected as dike building materials.

Black and white photograph of a band performing in the dining room of the Hotel Capuccini. Four men are playing guitars, one man is standing on a chair, and a man on the left side of the frame is holding a vase. People sitting and eating at dining…

Black and white photograph of eight white people, including five men and three women, sitting around a table on a porch. Photograph was taken by Robert Merrill in the Chinese coastal resort area of Beidaihe Qu.

Black and white photograph of a group of seven men standing in front of trees.

Black and white photograph of a man standing in a ditch filled with water. Two men are squatting at the edge of the ditch and another man is standing next to the ditch in the background.

Black and white photograph of a ditch, Eerie Canal.

Black and white photograph of two men in front of a stone wall. One man is sitting in a diving suit, and the other man is standing next to him, holding the diving helmet.

Black and white photograph of a crowd of people standing on a cement dock next to a warehouse. One of the warehouse garage doors are open and people are visible standing inside the warehouse.

Black and white photograph of eight people in front of the Don Fernando Hotel in Santa Fe, New Mexico.

Black and white lantern slide of the interior of a grain mill, with a donkey tethered to the millstone.

Black and white lantern slide of a donkey tethered to a small irrigation water weel in a ground well.

Black and white photograph of railway tracks going down a mountainside.

Black and white photograph of Lower Falls, Yellowstone National Park. Taken by Robert Merrill, looking down from brink.

Black and white photograph showing a down-northwestard view from Pikes Peak Summit Plaque.

Black and white lantern slide of Dr. George Grant MacCurdy working at Abri des Merveilles, Sergiac.

Black and white photograph of a group of people standing next to the Dragon's Mouth at Yellowstone National Park (mile 17450).

Black and white photograph of the drawbridge span at the Soulanges Canal in Québec. Water damage is visible on the image, which was scanned from the negative.

Black and white lantern slide of Paleolithic drawings of bison from Niaux cavern.

Black and white photograph of the dredge Empire 5522, taken by Robert Merrill looking west. Lettering is printed along the arm of the dredge reading, "Built by the Marion Osgood Company Marion, Ohio." Water damage is visible on the image, which was…

Black and white photograph of Drs. Cooke and Leverett on Folly Beach at Charleston, South Carolina. Tree stumps and sand dunes are visible in the background.

Black and white photograph of a hilly countryside of fields intersected by lines of trees in Otsego County, New York.

Black and white photograph of hilly countryside in Otsego County, New York, with a farmhouse and barn in the distance.

Black and white photograph of a man standing atop a drumlin, or hill formed of rock debris. Likely taken near Clinton, New York.

Black and white lantern slide of a dry canal bed running through a Chinese village.