Black and white lantern slide of cliff dwelling ruins at Tonto National Monument.

Black and white lantern slide of the Roosevelt Dam.

Black and white lantern slide of a bridge over the Pecos River.

Black and white lantern slide of Robert Merrill standing on a petrified agate tree in the Petrified Forest National Park.

Black and white lantern slide of a variety of cacti in the desert at Saguaro National Park.

Black and white lantern slide of Robert Merrill standing next to a large Joshua Tree in the desert.

Black and white lantern slide of a giant tree, the "General Sherman" in Sequoia National Park.

Black and white lantern slide of a giant tree, the "General Grant" in Sequoia National Park.

Black and white lantern slide aerial view of Nevada and Vernal Falls in Yosemite National Park.

Black and white lantern slide copy of a genealogical chart of Robert Hall Merrill.

Black and white lantern slide of a street scene in Quebéc City. A clothesline hanging with sheets is draped above the narrow street.

Black and white lantern slide of a street scene in Quebéc City. Open stairways rise from the sidwalk to second storey walkways.

Black and white lantern slide of a street scene in Quebéc City. A large open-topped bus is visible in the background.

Black and white lantern slide of the Fairmont Le Château Frontenac.

Black and white lantern slide of the the walls of Citadelle of Quebéc with towers and cityscape in the background.

Black and white lantern slide of a group of Quebéc citadel guards standing at attention on a field. The Fairmont Le Château Frontenac is visible in the distance.

Black and white lantern slide of people standing next to an outdoor clay oven on a wooden stand.

Black and white lantern slide of a group of people on a boat. Two women holding fish are smiling at the camera.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of a the Gaspé Percé rock formation.

Black and white lantern slide of a natural arch rock formation.