September is a good time to try for brookies if you're in the area for the hunts. A standard technique for the Boulder Mountain is fishing a black marabou jig. Leech, damsel fly, scud are good patterns for flyfishing. This regulation is designed to help maintain some of the quality fisheries now present by limiting the harvest of larger fish and at the same time allow harvest of smaller fish where there may be problems with over-population and stunting. Check a current proclamation to see where the special regs apply.
Water is low with light fishing pressure.
The North Fork provides a good spot for those willing to hike. Meadow Creek and Pioneer Creek are other small streams in the area that contain populations of small, wild trout. The stream has been low and clear. Good fishing for small, wild rainbow trout with a few larger brown trout. Try small spinners, grasshoppers, or elk hair caddis.