Mod:A World Of Pain/Underground town from Bonnie Springs Sewer

Directions

 * ~300' NNW (cardinal direction) of Bonnie Springs spawn location is Manhole to Bonnie Springs Sewer, on the paved road N-bound on the W side of the road
 * in Bonnie Springs Sewer take the 1st right, W-bound, then other 1st right N-bound, and NW of that corner is Power Plant B Reactor
 * avoiding going S while E-bound, there will be Power Plant B
 * there will be an exit to Underground Ghost Town
 * almost directly E, there will be Dead Man's Pass, which access is locked, see section Cleanup Crew
 * it will lead to Residential Sector

Cleanup Crew
In Dead Man's Pass, after navigating through Seargant McMillan dialogue, the quest Cleanup Crew will be offered which goal is "Hunt down and kill Blaze." accepting it, he'll hand you Dead Man's Pass Key, which unlock the door to Underground Ghost Town, where the target is located.

Refusing
By refusing Cleanup Crew, the door Dead Man's Pass Key open will need to be unlocked from Underground Ghost Town with a very hard unlock, and from Dead Man's Pass either an average locked terminal or a very hard unlock.