WENATCHEE, WA — (Marketwired) — 05/22/13 — Excelsior Gold Corp, a wholly owned subsidiary of Helmer Directional Drilling (OTCBB: EXLA) filed a Notice of Intent with the USFS to open the caved portal, currently blocking access , based on previous sampling by ASARCO (1967) and US Borax (1976).The Excelsior Mine was mined for silver and gold prior to 1917, closing during WWI due to a shortage of steel and mine labor. Approximately 50,000 tons of moderate to high-grade ore were minded during thi
