Here are a few links to help guide you in the right direction...
Form 3830-3.pdf - Notice of Intent to Locate a Lode or Placer Mining Claim(s) and/or a Tunnel Site(s) On Lands Patented Under the Stock Raising
Form 3830-4.pdf - Affidavit of Annual Assessment Work
Form 3830-2.pdf - Maintenance Fee Waiver
Form 3830-5.pdf - Maintenance Fee Payment Form for Lode Claims, Mill Sites, and Tunnel Sites (with credit card payment form)
Form 3830-5a.pdf - Maintenance Fee Payment Form for Placer Mining Claims (with credit card payment form)
BLM Electronic Forms: CLICK HERE
Click Here to pay your mining claim maintenance fees online!
PLEASE NOTE** MINING CLAIMS/SITES FILING INSTRUCTIONS FOR 2017
DUE ON OR BEFORE SEPTEMBER 1st of every year
*NOTE---On July 27, 2012, maintenance fees for placer mining claims were increased from $140 per claim to $155 per 20 acres or portion thereof. An example of the 2017 maintenance fee payment on an 80 acre placer claim is $620.