This book is not the notes of a geologist or diaries. These are memories of the years lived in Kolyma, of the ascetic labor of a man who arrived here on the ship “Felix Dzerzhinsky” on October 30, 1938. A young man who entered into an agreement with the Dalstroy trust and worked in geological exploration for a quarter of a century at the Lazo mine, at the notorious Butugychag, Berelekh, Kolyma, Iganj, in Ust-Omchug, on Tenka, Kulu, Bakhapche; who discovered deposits of tin and gold, worked as part of the First Directorate, engaged in the search for uranium and thorium. His work was awarded the country's highest award - the Order of Lenin. This book is not just the memoirs of a geologist, it is memoirs written in a language that would be the envy of a professional writer. Life in Kolyma appears to the reader in the diversity of geological life, in difficult human relationships, in the details of everyday life, in the constant tension of existing in a state of undeclared war with prisoners, in daily overcoming... Dozens of geologists: Boris Flerov, Valentin Tsaregradsky, Alexey Vaskovsky, Sergey Smirnov , Evgeniy Mashko, Israel Drabkin, Nikolai Anikeev, Vladimir Titov... miners, foremen, managers and workers appear before us in this book. And these images are real, endowed with human traits, the characters of these people, the motives of their actions are clear...