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Person Photo

Hadassah (Dessa) Reimer

Of Counsel

645 South Cache Street, Suite 100, P.O. Box 68, Jackson, WY 83001

Dessa guides clients through complex layers of federal, state, tribal, and local environmental and cultural permitting requirements to advance their projects on federal and tribal lands.

She also defends project permits in state and federal court. Dessa has assisted in the successful development of renewable, oil and gas, coal, pipeline, transmission, mineral materials, and water projects throughout the West.

Prior to joining Holland & Hart, Dessa completed a one-year judicial clerkship with the Honorable William F. Downes (Ret.) of the United States District Court for the District of Wyoming. 


Environmental Permitting and Litigation
  • Defend project authorizations in litigation and appeals before the Interior Board of Land Appeals and the federal courts 
  • Advise clients regarding NEPA, ESA, and NHPA compliance for major project development 
  • Mineral Leasing Act and Federal Land Policy and Management Act leasing and right-of-way authorizations 
  • Represent client interests throughout Federal land use planning processes 
American Indian Law 
  • Negotiate mineral leases, land leases, and rights-of-way for energy, natural resource, and utility projects in Indian Country, including addressing issues of sovereign immunity, Tribal Employment Rights Ordinance (TERO), allottee consent, and Bureau of Indian Affairs approval processes 
  • Represent tribes on a variety of issues, including Indian Education and Self Determination Act (Public Law 638) contract negotiations 
Local Land Use 
  • Navigate land use regulations and approval processes, including defense of projects and development permits in state court

Client Results

Representative Experience
  • Advised clients throughout the environmental NEPA review and ESA consultation processes for oil and gas, mining, and other projects, including meeting with and negotiating with local, state, tribal, and federal regulators, drafting sections of environmental documents, and submitting official comments on documents.
  • Assisted clients in negotiating and closing mineral and land lease agreements with Native American tribal governments, including conducting tribal due diligence and working with the individual Indian landowners and Bureau of Indian Affairs on approval processes.

  • Successfully defended numerous large oil and gas projects, coal mining permits, and other projects before the Interior Board of Land Appeals and in federal court on NEPA, FLPMA, and other procedural claims.

  • Advised renewable energy companies on NEPA and ESA requirements for operations on public lands.
  • Advised clients and prepared comments on draft land use planning and other administrative rules.



Speaking Engagements


Bar Admissions


  • Mountain States Super Lawyers® Rising Stars, Environmental, 2018

Professional and Civic Affiliations

  • Federal Bar Association, Wyoming Chapter, President, 2013-present 
  • American Bar Association
    • Native American Resource Committee, Vice-Chair, 2018-present
    • Public Lands Committee, Co-Chair, 2016-2018, Vice-Chair, 2018-present
  • The Foundation for Natural Resources and Energy Law
    • Secretary, 2021-2023
    • Director, 2017-2018
    • Annual Institute, Trustee, 2014-2016
    • Administrative Law Special Institute Co-Chair, 2018-2019
    • NEPA Special Institute Committee Co-Chair, 2017
  • Jackson Hole Stingrays Swim Team, Board President, 2017-present

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