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Samuel Yemington


2515 Warren Avenue, Suite 450, Cheyenne, WY 82001

Sam provides effective representation to clients in litigation and appellate matters in state and federal courts throughout the Rocky Mountain region.

Sam’s clients include oil and gas as well as mining clients of all sizes, from large multi-national public companies to small independent producers. He helps mining clients navigate complex and routine matters, including permitting, regulatory matters and due diligence. When litigation is necessary, Sam counsels clients throughout the process, identifying favorable solutions tailored to their needs.

He maintains an active workplace safety practice, advising clients on how to comply with multifaceted state and federal safety and health regulations, and litigating workplace safety and health cases in addition to employment matters. Sam is a member of the firm’s 24/7 emergency legal response team for urgent issues requiring an immediate response.


Sam represents clients before state and federal administrative agencies and appeals boards, including:

  • Wyoming Oil and Gas Conservation Commission
  • Interior Board of Land Appeals
  • Wyoming Board of Equalization
  • Wyoming Department of Workforce Services
  • Mine Safety and Health Administration
  • Wyoming Legislature
  • Occupational Safety and Health Administration

Sam guides mining clients through:

  • Obtaining and defending permits
  • Managing and conducting complex due diligence
  • Regulatory compliance with federal, state, and tribal laws
  • Environmental remediation



Bar Admissions

Court Admissions


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