Excelsior maked an important mile stone in advancing it's Gunnison project just north of LBSR's Hay Mountain, and along the same mineral trend, which also hosts/hosted major mines in Mexico, Bisbee, Tombstone, and Johnson Camp.  Given this extraction plan, it may have important implications for Hay Mountain (or portions thereof), assuming it ever gets drilled.

http://www.mining.com/excelsior-adds-key-permit-arizona-situ-copper-mine/