Barracks ruins in Fort Union National Monument near Las Vegas, New Mexico.

Barracks ruins in Fort Union National Monument near Las Vegas, New Mexico.

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexico.

Officer Quarter ruins in Fort Union National Monument near Las Vegas, New Mexico.

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexico

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexico

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexico

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexico

Warehouse ruins in Fort Union National Monument near Las Vegas, New Mexic

Officer Quarter ruins in Fort Union National Monument near Las Vegas, New Mexico.

Officer Quarter ruins in Fort Union National Monument near Las Vegas, New Mexico.