Natural Resources

environmental law, regulatory law,
water law, title opinions,
lease and transactional review,
commission representation


Oil, Gas & Minerals

oil, gas, and mining companies
small and large rely on us


Real Property

skilled representation for all
proceedings and real estate


Natural Resources & Environmental

Natural Resources & Environmental Law

The lawyers at Throne Law Office, P.C., with offices in Sheridan and Cheyenne, Wyoming, represent large and small businesses, such as oil and gas companies, mining companies, ranches, farms and factories, as well as individual citizens, in all areas of environmental law. Our services are available to clients throughout Wyoming, and in neighboring states such as Montana, Colorado and North Dakota.

Key services the firm offers include:

Administrative Law Services Pertaining to Environmental Law

The firm represents clients in front of the Wyoming Department of Environmental Quality, which governs a wide range of administrative matters. The firm's lawyers can address environmental compliance and permitting, as well as general administrative law matters.

Experience in Environmental Law

Mary Throne is the lead attorney for environmental matters for the firm, with assistance from Jacob T. Haseman and Whitney Agopian. She has been handling these matters since 1990, not just in the courtrooms, but also in the legislature. In 2006, she was elected to the Wyoming House of Representatives where she currently serves as minority whip. In that position, she has worked extensively on Wyoming's carbon sequestration bills adopted in 2008 and 2009. Her background also includes working as an Assistant Attorney General for the State of Wyoming, representing the Department of Environmental Quality, Air Quality Division.

Contact Throne Law Office, P.C.

To discuss your case with an experienced lawyer at Throne Law Office, P.C., call the firm at 307-672-5858 or send an e-mail.