VANCOUVER, BRITISH COLUMBIA -- (Marketwired) -- 05/02/13 -- Silver Bull Resources, Inc. (TSX: SVB)(NYSE MKT: SVBL) ("Silver Bull") is pleased to announce further to its news release dated March 18, 2013, it has filed its updated NI 43-101 Technical Report titled "Technical Report on the Resources of the Silver-Zinc Sierra Mojada Project Coahuila
[...]