>> jim keane: they loved their work. they raised their families. they worked all the time. >> anthony: it was a destination with hopes and dreams of hard work leading to a better life. >> jim keane: you know the company's a son of a bitch, let's face it. but they were our son of a bitch. so -- so you know that's just the way it was. the community worked to support the people. here's the fun part! >> anthony: cool! >> jim keane: how many holes do you usually drill to make a round? >> matt: oh, between twenty and thirty. >> anthony: what is a round? >> matt: this pattern has to be drilled out and every time you advance the face; that is a round. you drill it, you load it, you blast it, you muck it, you bolt it, you drill it again. and that's a cycle. we're in the loading process right here. they call collar priming or top priming this hole. quick, fill away! >> anthony: back in the day it was dynamite.