Gorges, cliffs, falls, and landslides, and their fortification by simple structu

Gorges, cliffs, falls, and landslides, and their fortification by simple structures: firewood, scaffolding, wood, and stone/Ovragi, obryvy, osypi i opolzaniya i ikh ukrepleniya vershin ovragov i promoin pri pomoshchi prostykh sooruzheniy: khvorosta, fashinnika, dereva i kamnya .Please feel free to request a detailed description. Short description: Gorges, cliffs, falls, and landslides, and their strengthening of the peaks of gullies and sinkholes by means of simple structures: wood, faschinica, wood, and stone. Novgorod Mikhail Pavlovich, 1908, St. Petersburg, .SKUpod6646f9ea2441ec07