Zemstvo (Russian regional elective administration) cadastral surveys. (1880 ties)

Geologic map of Korcheva uezd (district), Tver regional zemstvo
Hypsometry map of Korcheva uezd (district), Tver regional zemstvo
Soil map of Korcheva uezd (district), Tver regional zemstvo

Soil map of Pereslavl uezd (district), Vladimir regional zemstvo