. >> narrator: john shively became ceo of the pebble partnership in 2008. his job is to guide the project through the long permitting process. >> we think the resource probably would last for a 100 years or more of mining, but we're not going to try to permit a mine that's a hundred years long. >> narrator: this is the valley where the mine would be built, 15 miles from lake iliamna. >> it's a very complicated project. i mean, it's a mine, a significant-sized mine. it's an 86-mile road. it's a brand new major port, and it's a power project. any one of those four would require full environmental impact statements. making all thospieces fit, both in terms of the environment and then economically and operationally, is not easy. >> a mine in this area is very complicated. there are a lot of moving parts, and you have to really look at every one of those closely. >> narrator: ken taylor is a wildlife biologist who is in charge of pebble's environmental studies. >> if we can't coexist with the fishery, then we shouldn't build the mine, because fish are really imp