Black and white photograph of a group of camp tents set up around a flagpole in the distance.

Black and white photograph of a group of tents and automobiles in a field.

Black and white photograph of a gulley with tents visible in the distance.

Black and white photograph of a gulley from above. A white box is visible on top of a cliff in the top left corner of the frame.

Black and white photograph of a gulley from above. A cactus is visible on the right side of the frame.

Black and white photograph of a cliff face.

Black and white photograph of the Castillo San Felipe del Morro taken from a ship. "San Juan, Porto Rico 1926-2-17." is written on the bottom of the image.

Black and white photograph of a lake behind trees. A river attached to the lake is visible across from the photographer. "Sand Lakes Back of Highlands Lodge" is written on the bottom of the image.

Black and white photograph of Sans Souci on the Georgian Bay, Ontario. A building with the words Fishermen's Headquarters, Home of the Black Bass is visible, and several people are gathered along the pier.

Black and white photograph of six people, two men, one woman, and three girls, in front of a town of pueblo buildings. One man is standing on a log balanced over a river, while everyone else is on the shore.

Black and white photograph of a crowd of people in front of pueblo buildings. An automobile is parked next to the crowd with the passenger side door open.

Black and white photograph of four people, two men and two women, standing in front of a church. The church has two bell towers on the corners of the building, but a bell is only visible in one of the towers.

Black and white photograph of two men and a woman standing in front of a Spanish Mission-style church in Santa Fe, New Mexico.

Black and white photograph of the gravestone of Sarah Green (range 1 row 6) which reads, "Here Lyes the Body of Mrs. Sarah Green Wife to Cap. John Green Aged 74 Years and 6 months Died December 1, 1717."

Black and white photograph of Saugatuck, Michigan, looking northeast.

Black and white lantern slide of two Chinese laborers operating a hand saw to cut lumber in a lumber yard.

Black and white photograph of a lake in front of mountains. The image was taken from atop a hillside dotted with boulders. Behind a tree line, fields and houses are visible next to the lake.

Black and white lantern slide of a Paleolithic frieze of animals from Roc de Sers Caves, France.

Black and white lantern slide of archaeologists standing in several levels of excavation at the Bultel-Tellier pit, St. Acheul, Amiens. A horsecart sits near the lowest pit.

Black and white lantern slide of an archaeologist standing next to a section cut at Abri des Merveilles, Sergiac.

Black and white lantern slide copy of a sketch cross-section of Amethyst Mountain in Yellowstone National Park, from an unknown source.

Black and white photograph of the Serapeum ruins in Italy. A circle of columns in a lake is visible in the center of the frame with buildings visible in the background.

Black and white lantern slide of the Temple of Serapis in Pozzuoli, Italy.

Black and white lantern slides of the Great Wall of China snaking up the mountainside from the Shan Hai Kwan (Shanhaiguan) gate.