Black and white lantern slide of a clay pipe bowl.

Black and white photograph of Ontario Beach Park, Rochester, New York. Large crowds are gathered, and several attractions are visible in the background.

Black and white photograph of piers at Ontario Beach, Rochester, New York. Two steamers are visible in the background, and one individual is walking through the water in the foreground.

Black and white lantern slide of a sign in the countryside pointing to Goulais Bay, Goulais River, and Stoney Point.

Black and white lantern slide of the beach at Great La Cloche Island, looking northwest.

Black and white lantern slide of the beach at Great La Cloche Island, looking northeast.

Black and white lantern slide of glacial grooves and measuring sticks located 10 miles north of Temagami, Ontario.

Black and white lantern slide of striated rock along the side of a road in Temagami, Ontario. An automobile is parked along the opposite side of the road.

Black and white photograph of the ruins at Ostia. A large stone building with an arc entranceway is visible with a man standing outside the building.

Black and white photograph of Robert H. Merrill standing in front of a stone wall in the Ostia Latrina.

Black and white photograph of the Tiber River from the shore. Two people are visible walking along the shore, and two boats can be seen on the river.

Black and white lantern slide of the entrance to the Horrea Epagathiana in Ostia, Italy.

Black and white lantern slides of the ruins of the Forum at Ostia, Italy. Serie Artistica No. 6984

Black and white lantern slides of the ruins of a grain store at Ostia, Italy. Serie Artistica No. 6978

Black and white lantern slide of Robert Merrill standing in the ruins of an ancient latrine in Ostia, Italy.

Black and white lantern slide of a mosaic floor found in a public bath in the ruins of Ostia, Italy. Serie Artistica No. 41739

Black and white lantern slide of ruined buildings along a street in Ostia, Italy. Serie Artistica No. 38457

Black and white close-up photograph of a brook near Lake Otsego, New York. Flat slabs of marcellus shale line the bed of the brook.

Black and white photograph of fields and hills from above, taken in Otsego County, New York.

Black and white photograph of a hillside farm in Otsego County, New York overlooking several farms and fields in front of a lake in a mountain valley.

Black and white photograph of a field of grass in front of a hill partially covered by trees in Otsego County, New York.

Black and white photograph of a hillside covered with field grass and shrubs in Otsego County, New York. Shale outcroppings jut out from the hillside, partially obscured by foliage.

Black and white photograph of a small mountain in Otsego County, New York. Rock outcroppings jut out from the grassy hillside.

Black and white photograph of several fenced in fields in front of a lakeside town in Otsego County, New York. A mountain is visible across the lake from the town.