JOIN THE CORPS AND EXPLORE NEW PLANETS. EXPERIENCE ADVENTURE IN FARAWAY LANDS Bill Clark joins the Corps of Discovery, an organization that operates gateways from a Parallel Earth to explore other timelines for eventual settlement by Earth's burgeoning population. Surveyor follows Bill's journey from Earth, through the Corps' training, and his subsequent deployments as an aerial surveyor and geographic information systems analyst. Along the way he gets swept up in a shadowy organization's attempt to shut down the gates. That attempt usually involves force. Bill soon learns that adventure means someone else in danger in a faraway land, and he's definitely on an adventure.