Short description: In Russian. Skvortsov, Irinarkh Polikhronievich. The forces of the Earth [and their manifestations. St. Petersburg: Western Knowledge (V.W. Bitner), 1911. Sily Zemli [i ikh proyavleniya. In Russian /The forces of the Earth [and their manifestations. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU3784810