1879
E. K.
1:13k
1887
Tomson, K.; Klement'ev, N. F.
1:10k
1871
Clements R. Markham, C.B., Secretary R.G.S.
1814
1961
Bagdasarian, A. B.
1:2m
1896
FOURNIER, Eugène Geologist
1860
FADEEV, Rostislav Andreevich.
1961
Bagdasarian, A. B.
1:2m
1828
1:3m
1848