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

Black and white photograph of Robert and Lena Merrill standing in front of the Grand River with a bridge and buildings in the background.

Black and white photograph of six people standing next to the Upper Falls at Yellowstone National Park (mile 17459).

Black and white photograph of upper salmon pool at Gravel Lake [likely Lac des Gravier].

Black and white photograph of the BB-37 battleship U.S.S. Oklahoma. Two small boats are next to the ship, and a lighthouse is visible in the background.

Black and white lantern slide showing construction equipment and work on the Deer Creek Dam in Utah.

Black and white lantern slide of mountains at Dinosaur National Monument showing the jurassic era geologic folds.

Colored lantern slide of a stone arch over the road at Labnah, Uxmal.

Black and white lantern slide of the doorway of a stone building at Uxmal covered over with a curtain.

Colored lantern slide detail of a corbelled arch at Uxmal.

Colored lantern slide of the interior of Uxmal east auxilliary temple.

Colored lantern slide showing the geometric patterned side of a building at Uxmal.

Colored lantern slide of an Uxmal head mask motif relief over a lintel.

Colored lantern slide of an intricately carved stele on its side at Uxmal.

Colored lantern slide of archaeologists studying stele amidst rubble at Uxmal.

Colored lantern slide detail of the frieze on the Turtles building at Uxmal.

Colored lantern slide of Uxmal, looking south.

Black and white lantern slide of an indigenous man in a tall hat standing in front of a Model T Ford automobile near Uxmal, Mexico.

Colored lantern slide of the Uxmal nunnery complex with ballcourt.

Colored lantern slide of the Uxmal nunnery buildings from the north.

Colored lantern slide (cracked) of the Uxmal nunnery buildings from the south.

Colored lantern slide of the Uxmal nunnery quadrangle.

Colored lantern slide of the Uxmal nunnery south wall from inside the courtyard.

Colored lantern slide of the Uxmal nunnery stone temple doorway.