Fr 007 A Government Pack Train FredericRemington sqs Frederick Remington (1861-1909)

The picture has something of this: people, group, cavalry, mammal, many, engraving, military, group together, weapon, soldier, man, seated, war, gun, transportation system, several.
Perhaps it’s a black and white drawing of a group of people on horses in a field with a hill in the background and a person on a horse in the foreground.