That sounds like smolt plants to me. That's probably how many smolt they released. Only expect a small portion of that number to return. However, the Green is where I hooked my first summerrun. It was a big, gorgeous buck. They typically hang out low in the early summer - until July or so. Once August rolls around expect to find them up higher near the hatchery and around flaming geyser. They're tough little critters to locate but good luck. My bet is that the Green only gets a couple hundred back if they're lucky..... Nevertheless, they're out there....