Deadlands Classic: The Road to Hell (Devil's Tower #1) - PDF

When a group of scientists turns up dead in Salt Lake City, Professor Darius Hellstromme himself hires the posse to investigate. But things aren't always what they seem in the City O' Gloom. Hellstromme's real goal is the recovery of legendary black Diamond known as the Heart of Darkness. Finding the gem could set the posse on the slippery path to damnation or the salvation of the entire Weird West.

Part 1 of 3 in the Devil's Tower series. 

By Paul Beakley and John Hopler