topic

• Frozen ground1
• Geography1
• Maps1
• Permafrost1

name

• Ilʹin, A. A. (Alekseĭ Alekseevich), 1858-19421
• Imperatorskoe russkoe geograficheskoe obshchestvo1
• I︠A︡chevskiĭ, L1

collection

• Izv︠i︡estī︠i︡a Imperatorskago russkago geograficheskago obshchestva1

place

• Russia1
• Siberia1

genre

• Maps1

publisher

division

• General Research Division1

type

• cartographic1