There are several stages of geological survey: general survey, in the case of positive prospects, large-scale survey and well-drilling. We can avoid additional costs just using these stages consistently. The whole range of works, from airborne geophysics to receiving conclusions on reserves and putting on balance, took about 5 years. The whole work ended with the discovery of a very large gold deposit named Roman and the identification of a number of targets for ground survey by Nordgold specialists. Confirmed gold reserves are at least 5 Moz.