Black and white lantern slide of a group of men with dokeys and mules outside a smal building in Quinhuangdao (Ching Wang Tao), China.

Black and white lantern slide of two men standing on the ledge of the Quinhuangdao (Ching Wang Tao) harbor mole next to railroad tracks and train cars.

Black and white lantern slide of the railroad tracks along the Quinhuangdao (Ching Wang Tao) harbor mole.

Black and white lantern slide of a sketch diagram of a chipped flint hand axe, 16' level, Foxhall Hall pit, Ipswich, Suffolk.

Black and white photograph of a pyramid. A lower level is visible with a stone wall surrounding a stone building built into a hillside. A water tower is visible behind the building. Another building is visible is on top of a hill behind the first…

Black and white photograph of the Clevelands House resort exterior, Muskoka Lakes, Ontario.

Black and white lantern slide of about a dozen laborers hauling baskets strapped to their backs along a dirt path. Behind the people is a tall cliffside.

Black and white photograph of a horse-drawn coach at the Mammoth Hotel, Yellowstone National Park. Several people can be seen in and around the coach. Lettering on the side of the coach reads Yellowstone Park Transportation Co. Water damage is…

Black and white photograph of a horse-drawn coach in the Hoodoos, Yellowstone National Park. Five people are visible sitting on the coach.

Black and white photograph of men sitting in wooden bleachers around a dirt pit watching two chickens fight. "Cock Fight at Madrugal." is written on the bottom of the image.

Black and white photograph of a quarry with rail tracks visible on the lower level of the quarry and three buildings visible in the background.

Black and white photograph of a work site in Collingwood, Ontario. Ships are visible in the background.

Black and white photograph of a hotel in with a garden in front of it. People are visible walking on the street and sidewalks next to the hotel.

Black and white lantern slide of a group of five unidentified people, including three men and two women, sitting together on the bank of a river. The woman at the far right may be Lena Merrill.

Black and white lantern slide of a mountain in the Uinta Mountain range.

Black and white photograph of the Antlers Hotel in Colorado Springs, Colorado. The Cheyenne Hotel is visible on the right.

Black and white photograph of a horse-drawn coach in North Cheyenne Canyon Park, Colorado Springs, Colorado. Four men are visible seated inside the coach.

Black and white photograph of a creek going downhill through a canyon.

Black and white photograph of a horse-drawn coach at Captain Jack's in Colorado Springs, Colorado. Three men are seated in the coach, and another man is standing next to the horses.

Black and white photograph of five men standing next to boulders at the bottom of a mountain.

Black and white photograph of the east landscape taken from Point Sublime.

Black and white photograph of the gate to Garden of the Gods in Colorado Springs, Colorado. Large rock structures jut out of the ground next to the roadway.

Black and white photograph of the gate to Garden of the Gods in Colorado Springs, Colorado. A large rock structure towers next to a roadway, where three automobiles are parked.

Black and white photograph of Golden, Colorado from above.