>>They have, its call the...
None of the Works Cited was performed within the time frame listed by Hugh Nibley, so they don't qualify.
(The time frame taken from the translating of the Book of Mormon)
Did you read the whole article, or just the heading?
Finding Wheat, Barley, Linen and Silk in the Book of Mormon
http://www.freerepublic.com/focus/f-religion/1627795/posts
Time doesn't matter as much trying to make an immitation of the real thing.