Question: The Saratov Approach was released throughout a geographic region of the United States, settled by Mormons beginning in what year?
Sentence (from "Mormon Corridor"): The Mormon Corridor is the area of Western North America that were settled between 1850 and approximately 1890 by members of The Church of Jesus Christ of Latter-day Saints (LDS Church), who are commonly known as Mormons.
Relevant evidence: Yes