Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of a mountain.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of a mountain.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of mountain peaks seen between trees.

Lantern slide from between 1888-1950. The slide is a photograph of a painting of mountain tops with trees and a pond.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of two people walking in a field with a large tree.

Lantern slide from between 1909 and 1950. The slide is a photograph of John Hafen's painting "Quaking Aspens" (1909). The painting depicts a grove of quaking aspen trees.

Lantern slide from between 1888 and 1950. The slide is a photograph of John Hafen's painting "The Seagulls." The painting depicts a flock of seagulls descending on a field.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of tepees. There are some people sitting in front of the tepees and two horses in the background.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of trees in a field with haystacks.

Lantern slide from between 1888 and 1950. The slide is a photograph of a painting of trees on the top of a hill.