With the below list and a bit of determination you should be able to successfully find some gold. 

1. MAP, so you know that your not claim jumping

2. Sluice box

3. Gold pan

4. Waders, at the least mud boots(Extra Tuffs)

5. Black sand magnet

6. Snifter bottle

7. Gold vial

8. Rubber gloves(elbow length are nice) to keep you hands warm in the water

9. Shovel

10. Crack pick

11. Turkey baster (this helps to suck the gold out of cracks in the bedrock)

12. Gun (or bear spray if you prefer)

13. Lots of bug spray

14. Bucket to haul material to creek