I visited as part of a 14 day safari in July 1993, camping overnight at the site. I was stunned.
In response to some negative previous comments, I can only say that the artifacts disappeared long, long before the present regime came to power. Perhaps they went into the great museums of the western world.
As for the claims that it was indeed King Solomon's mines, I really think that these were a little further north. By some thousands of miles. Many fanciful claims have been made over the years about the almost mythical king of Israel and the queen of Sheba who was more likely from southern Arabia or possibly Ethiopia