Carbon Mill Carbon Mill is the main base of a large group of raiders that live in Carbon and is only accessible during the Defeat Raiders quest . The raiders here are strictly matriarchal , and are currently being led by a loose group of female lieutenants , which in turn are led by , their matron . They are notable by a yellow decal that they use to differentiate themselves from other raider groups . The mill their main base is set up at was also used to trade slaves to Attis , leader of the Attis Army . The exterior of the mill consists of a few streets , a railroad , and a parking lot , while the interior includes offices , storage , generator room , and grinder . The generator is still functional and is still being used by the raiders to power lights and security locks . Plus , the generator supplied grinder , whose vibrations were liked by the matron Jane , who made her home there . Layout . Carbon Railyard . The railyard is one of the locations the player will encounter on their way from the Carbon Warehouse while on the Defeat Raiders quest . The area is protected by raiders and land mines . Inside the railyard there is a raider camp where the player will find a few weapons in the process of repair that cannot be picked up . Ruby ' s necklace can also be found in the railyard . This area connects the Mill exterior and the Carbon warehouse . Mill Exterior . The mill exterior is another section of Carbon on the way to the mill . This area is also protected by raiders and land mines . This area connects the parking lot . Mill Parking Lot . The mill parking lot is safe from raiders . Here you will find ready to sell goods and give away advice on the next step on the quest . This area connects to the storage area and the grinder area . Mill Storage Area . The mill storage area is a warehouse for the mill . This area is also protected by raiders . Vault 13 flask can be found in this area . This area connects to the mill generator area , mill Office Area ( inaccessible ) , and back to the mill parking lot . Mill Generator Area . The mill generator area is an industrial complex housing the generator for the mill . Once the generator in this is activated it will malfunction , causing alarms to go off and consequentially an explosion in the mill grinder area . This area connects to the mill office area , and back to the mill storage area . Mill Office Area . This area contains a lot of the industrial complex of the mill . Hazards here include leaky steam vents and electrical bolts being shot from Tesla coils . This area connects to the mill storage area , and back to the mill generator area . It ' s also the place where the difficulty level rises as the start throwing home - made bomb s . On the other hand , they also leave them for the player to pick up after dying . Mill Grinder Area . Upon entering the mill grinder area the player will witness a confrontation between Jane and the super mutant leader Attis . Their discussion will be cut short due to an explosion caused by a chain reaction from the generator ' s activation . The Initiate will then confront and a fight will follow . Electric volts arcing across part of this area pose a hazard through the fight . This area connects with the parking lot . Appearances . The Carbon mill appears only in " " .