Black and white photograph of a man standing next to a rock wall, or "knob," in Little Falls, New York.

Black and white photograph of a person standing on a hill of mining spoil in front of several buildings and a smokestack in Little Falls, New York.

Black and white photograph of a hydraulic lock in Little Falls, New York.

Black and white photograph of Little Falls, New York. A river is visible on the right side of the image with a man walking on a dirt road next to the river.

Black and white photograph of Robert Merrill and his wife, Lena Billington Merrill, standing in front of a window and brick wall with J. Walker.

Black and white photograph of Lena Billington Merrill and an unidentified woman standing with a man, J. Walker, in front of a window and brick wall.

Black and white photograph of an automobile parked on a dirt driveway in front of the side of a house. Two people are sitting inside the car with a man standing next to the car.

Black and white photograph of several buildings and a farm on a hillside with mountains in the distance. Three people, one man and two women, are visible standing on the hillside between the farm and the photographer looking towards the camera.

Black and white photograph of a town in the distance with fields divided by stone fences in the foreground. Mountains are visible in the background. Three people can be seen standing in one of the fields.

Black and white photograph of two people sitting in an automobile looking back towards the camera. A lake is visible in the distance in front of a mountain range.

Black and white photograph of a countryside town among trees and fields.

Black and white photograph of railway tracks going up a mountainside. A bridge over the tracks is visible.

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

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

Black and white photograph of three people walking in front of the Catskill Mountain House hotel.

Black and white photograph of two people in an automobile driving on a road in front of a mountain, likely the Hoosac Range in the area of eastern New York and western Massachusetts.

Black and white photograph of an automobile parked in front of the Bennington Monument. Three people are visible in the automobile. Behind the car is a raised statue of a soldier. The statue stands in front of a tall tower.

Black and white photograph of naturally occurring "pot holes" in the Hoosic River bed.

Black and white photograph of a metal bridge over a dried river bed behind a man-made dam. A building with an American flag raised is visible behind the bridge and an automobile can be seen crossing the bridge.

Black and white photograph of a boat launch area with many docks and boats on a lake in front of mountains.

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 photograph of a waterfall among boulders surrounded by trees. A wooden bridge is visible in the distance.

Black and white photograph of a road lined with power lines and fences in front of a field. A barn is visible behind a line of trees. A mountain range is visible in the distance.

Black and white photograph of a man sitting in a boat on a river in a chasm.