Dave Brown, President, Benchmark Resources, and Andy Kopania, Principal Hydrologist, more »






is a planning and environmental firm specializing in the management of project permitting and regulatory compliance. We work to achieve project success in a manner that best serves industry, government, and the community. Our mission is to provide both industry and agencies engaged in responsible use of our land, minerals, and environmental resources, with services that “manage the uncertainties” inherent to permitting and compliance for complex land uses and sensitive resources throughout California. More ![]()
Dave Brown, President, Benchmark Resources, and Andy Kopania, Principal Hydrologist, more »
Currently one of the more locally-contentious mining projects in California, more »