The book "Hydraulic way of development of placers" by G. A. Markova is a fascinating and in-depth study that immerses the reader in the world of mining and mining. This work will be a real discovery for those interested in mining, engineering and ecology. It examines not only the technical aspects of the hydraulic method, but also its impact on the environment, which makes the book relevant and important for the modern reader. G. A. Markov, known for his scientific works and research in the field of mining, offers readers a unique look at the methods of developing placer. It not only describes the process, but also analyzes its effectiveness, advantages and disadvantages. The book is written in accessible language, which makes it understandable for both specialists and a wide range of readers, including students, graduate students and anyone interested in this topic. In "Hydraulic way of developing placer" the author explains in detail how hydraulic technologies can be used to extract minerals from placer deposits. It examines various methods, their application, and the implications for the ecosystem. The reader will be able to learn about how to properly use these technologies to minimize the harmful effects on nature. This topic is particularly relevant in light of current environmental challenges and the pursuit of sustainable development. The book will be of interest not only to experts in the field of mining, but also to environmentalists, economists, as well as anyone who wants to understand how technology can help in the rational use of natural resources. It will be a useful tool for students of technical universities, as well as for practicing engineers working in the field of mining and processing of minerals. The topics raised in the book address not only the technical aspects, but also the social and economic implications of developing placer. The author raises important questions about how to balance economic benefits and environmental protection. This makes the book relevant for discussion at the level of public policy and business. Style G. A. Markov is distinguished by clarity and logical presentation. It masterfully combines scientific data with practical examples, which allows the reader to easily absorb material. In his book, the author uses many illustrations and diagrams, which makes complex concepts more understandable. This approach is especially valuable for those who are just starting to get acquainted with the topic .. In addition to the "Hydraulic method of developing placers", G. A. Markov is the author of other well-known works on mining and ecology. His research has received recognition both in Russia and abroad, which confirms the high level of his expertise and the importance of his contribution to science. If you are looking for a book that will not only expand your knowledge of the mining industry, but also make you think about the importance of sustainable development, "Hydraulic way of developing placer" will be an excellent choice. This work will be of interest to both professionals and amateurs seeking to understand how technology can change our approach to the resources of the planet. Do not miss the opportunity to immerse yourself in a world where science meets practice and ecology meets economics.