The book "The area of the gold mines of A.S. Antonov and O.P. Vishnevskaya in the Orsk district of the Orenburg province" from the personal collection of Arkady Lavrsky with an inscription and autograph by Pavel Gudkov

On the title page there is an inscription from the author: "To the most esteemed Arkady Valerianovich Lavrsky, P. Gudkov."

Pavel Gudkov is a well—known geologist, organizer of the geological survey in Siberia and the Far East. Immediately after graduation, he was invited to a teaching position at the Academy, participated in the development of the charter of the Siberian Geological Committee and headed the Ministry of Trade and Industry. Then he worked as a professor and dean of the geological department. Later he left for the USA, where he continued to work in the geological field, being a real expert. Over time, he founded his own company. Author of numerous articles.

Arkady Lavrsky is a Russian geologist and educator. He worked as a professor in the Department of Mineralogy and Geology at one of the mining schools, then moved to Siberia, where he headed the Department of Mineralogy and Crystallography. Lavrsky was also an active member of various committees and had a significant influence on the development of mineralogy and geology in Siberia.

The publication contains a geological map, a diagram of the location of gold-bearing veins and schematic drawings of the faces in the workings of the Gogol vein.

From the personal collection of geologist and teacher Arkady Lavrsky.