Black and white photograph of Blue Grotto taken from on a boat. A man is visible on the left of the frame. An arched grotto on a cliff is visible in the distance.

Black and white photograph of a town on the far side of a lake. The town is in front of a hill.

Black and white photograph of a man working in front of a lake. Houses and power lines are visible on the far side of the lake. An automobile and the corner of a porch are visible on the right side of the frame. A sign on the porch reads "330531."

Black and white photograph of five people, three men and two women, standing in front of a lake surrounded by forest. Another person is visible standing in the water on the right side of the frame holding cloth. "Blue Hole, Jamaica. 1926-2-4." is…

Black and white photograph of a town on in the Blue Ridge Mountains, overlooking countryside. In the midground, a building with a sign reading "Nathans" is visible.

Black and white photograph of a group of people standing next to a train car. An excursion boat is moored next to the train car, and three people are visible standing on the boat.

Black and white photograph of a man traveling by boat by Maybees Waste Weir, Erie Canal. The name on the side of the boat reads Shenandoah.

Black and white photograph of Bolt's boat house on Alexandria Bay, New York. Water damage is visible on the image, which was scanned from the negative.

Black and white lantern slide of a sketch diagram of a bone implement, Elephas antiquus, found at Piltdown, England.

Black and white photograph (damaged negative) of mastodon bones in an excavation site.

Black and white photograph of a lake from a hillside. Trees can be seen surrounding the lake and in the background.

Black and white photograph of a man and a woman sitting on a deck attached to the side of a house. The photo is taken from ground level looking up a flight of wooden stairs to the deck.