The Hair-Trigger Kid by Max Brand

At this direct appeal, Bud looked around him. On the wall, by way of decoration, there were some elk heads, badly mounted, and therefore coming to pieces before their time. And, on the floor, there was the enormous pelt of a grizzly bear which Indians had cured, and which was therefore in an excellent state of preservation. From these adornments, or from the old-fashioned Kentucky rifle and powderhorn across the door, Bud received no ideas.

At last he grinned and waved his hand all around the horizon.