Context: Among the first to study Russian dialects was Lomonosov in the 18th century. In the 19th, Vladimir Dal compiled the first dictionary that included dialectal vocabulary. Detailed mapping of Russian dialects began at the turn of the 20th century. In modern times, the monumental Dialectological Atlas of the Russian Language (Диалектологический атлас русского языка [dʲɪɐˌlʲɛktəlɐˈɡʲitɕɪskʲɪj ˈatləs ˈruskəvə jɪzɨˈka]), was published in three folio volumes 1986–1989, after four decades of preparatory work.

Question: Who made the first dialectal Russian dictionary?
Answer: Vladimir Dal

Question: In what century was the first dialectal Russian dictionary published?
Answer: 19th

Question: When did Lomonosov study Russian dialects?
Answer: 18th century

Question: When were detailed maps of Russian dialects created?
Answer: turn of the 20th century

Question: How long did it take to compile the Dialectological Atlas of the Russian Language?
Answer: four decades

Question: What was created by Lomonosov at the turn of the 20th century?
Answer: Unanswerable

Question: How many volumes of the first dictionary were published in the 18th century?
Answer: Unanswerable

Question: How long did it take for the first dictionary to be published?
Answer: Unanswerable

Question: What kind of vocabulary did Lomonosov create in the 19th century?
Answer: Unanswerable

Question: When did Lomonosov map Russian dialects?
Answer: Unanswerable