Fr 020 A Modern Cavalry Camp FredericRemington sqs Frederick Remington (1861-1909)

The picture has something of this: people, group together, many, cavalry, military, war, skirmish, soldier, group, man, competition, army, vehicle, action, administration, seated, several, weapon, athlete.
Perhaps it’s a black and white photo of a group of people on horses in front of teepees with a dog in the foreground.