mining consultants minerals mine consultant coal technical expert litigation legal financial reserve geologyBOYD understands the mining industry from the technical side and from the business/financial perspective. BOYD’s core business, since 1943, is the technical, operational, and financial assessment of reserves, mines and mining companies. BOYD has performed thousands of mining consultant assignments, domestically and internationally. Our mining background serves as the basis for all of our advisory services, and is well-suited for client situations – in coal, proppant/frac sand, industrial minerals, and metals/non-metals.