DK, on your map I see 2 TTs east of Khazak SSR in China:
1 is Tsinghai (North) and the other
1 is Chinghai (South)
In fact, it is the same region named now Qinghai.
The southern region should have been probably named Sinkiang (Sikang on G40 map) or Xinjiang (modern name on Google map), if you followed G40 map.
Based on general orientation on real map, I would have named from north to south western China TTs:
North western TT Kansu/ Gansu (Kansu on G40 map / and DK’s hybrid)
Middle western TT Xinjiang (Tsinghai on G40 map / and DK’s hybrid)
South western TT Tsinghai/ Qinghai (Sikang on G40 map / and Chinghai on DK’s hybrid).
Kansu is north central in China only connected to Mongolia, but it has been connected on G40 map to Russian TT (Timguska) (Tambov and Novosibursk on DK’s).
Middle TT I named Xinjiang is bordered on western side by Khazak SSR (and is the only direct access to Soviet TTs from China). (Correctly connected to Khazak and Tambov on DK’s hybrid)
Southern TT I named Tsinghai / Qinghai doesn’t have access to Khazaz SSR or other TT but it is really bordering Tibet (Himalaya).
Also Tambov is too far on West and north of Volgograd / Stalingrad.
Samara should be a better choice as name for this region north of Kazakh SSR, west of Novosibursk and bordering China on your hybrid map.
(As you had on G40 map.)
However, to have named it Novosibirsk (instead of Tambov) would have been much better.
And named Novosibursk: Krasnoyarsk because Irkustk (Timguska on G40) being Yenisey on your hybrid map.
Was Novosib**u**rsk a typo error (“u” being just left of “i” on keyboard)?
Take no offence DK, your map is awesome.
I was just looking at these topographicals when I followed the leads.
If you ever update your home map…
On G40, Yakut SSR was wrongly named, it should have been Irkutsk.
Yakut SSR is the same as Sakha .