Hopefully someone else can chime in to help, but it appears that Medveditskiy Krestovyi Buerak (Медведицкий Крестовый Буерак), was a German crown colony named for the river and gully in which it crossed.
Medveditsa (Медве́дица) is a river in the Volga (Volgograd) Region of Russia. Buerak (Буерак) means 'gully', Krestovyi (Крестовый) means 'cross'. So loosely translated it would be something like "Where Medveditsa crosses the gully".
Historical Note: Frank, (otherwise known as Krestvoi Buyerak, Medeveditskii Krestovyi Buyerak, Medveditza, Medveditzkoi Krestovoi Buyerak, Medwedizki Krestowoi Bujerak, Крестовый Буерак, Медведицкий Буерак, Медведицкий Крестовый Буерак, or Франк) was founded in 1767 by families from Mecklenburg, the Palatinate, Saxony, and Darmstadt-Isenburg, or what is now southwestern Germany.
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