Only pans, picks, shovels, and classifying screens are permitted. Of course, the buckets are Okay. The Rangers know all the hideouts and are quick to introduce themselves with a ticket book for violations. Hand dredges, sluices, spiral wheels, Aussie rotapans, and other "mechanical" devices are a big "No-No."
Folks do find fines, small pickers, and small nuggets with patience and practice. Below Lynx Lake, the tributaries and geology allow for alluvial deposits. For newbies and families, this FREE location with access to the Lake's cafe, store, an facilities farther down Walker Road a short distance, is a great daytime source. The elevation is 5400 feet so bring appropriate rain, chilling weather clothing, and decent footwear.
I'll include the URL to their Rules Page
https://www.fs.usda.gov/detail/prescott/recreation/?cid=stelprdb5359247