HTHG is located in California’s State Capitol, Sacramento. HTHG provides focused legal services in the areas of Mining, Land Use and Natural Resources. The matters we handle always involve the intersection of  land use regulation and environmental law. Accordingly, within our area of expertise, we handle a broad variety of matters.  We represent multinational companies, regional companies, local companies and public agencies. For work in California, we have handled matters in 56 out of 58 of the State’s counties. We also provide legal services in other states when the needs of our clients require. In all matters we assist the client in formulating legal strategy, counsel the client in implementing that strategy and, when needed, represent the client in defending its entitlements and rights in court. 


Harrison, Temblador, Hungerford & Guernsey provides land use, environmental, transactional and litigation counsel to the mining industry across California. Firm attorneys are recognized leaders in this field, and write and speak extensively on legal issues that impact all aspects of the mining industry. The firm is located in Sacramento and maintains close working relationships with key regulators. Read More

Land Use

Harrison, Temblador, Hungerford & Guernsey's land use and environmental law practice focuses on all aspects of urban, industrial, commercial and residential land development. Our expertise spans from project planning through the entitlements stage, and includes litigation to defend our clients' entitlements. Firm clients include local, regional, and national developers and homebuilders, real estate investment entities, energy developers and mine operators. Our expertise extends beyond the purely legal – we can provide the strategic advice necessary to navigate complex projects through regulatory, political, or stakeholder obstacles, and have secured approval for large, complex projects in the face of significant opposition. Read More

Natural Resources

Harrison, Temblador, Hungerford & Guernsey provides complete environmental and natural resources counsel. The firm’s clients include mining companies operating at the local, regional, national, and international level, regional and national construction companies, industrial manufacturers, energy producers, insurance firms, and local governments. We understand the unique economic and strategic challenges that our clients must navigate. We also bring strong relationships with respected engineers, geologists, biologists and other consultants and can help apply those resources in service of our clients. We have special expertise in the major environmental review laws, NEPA and CEQA, and can provide clients with real-world strategies to move through the environmental review process as efficiently as possible. Read More