Americas Gold and Silver Corp (USA)

[NYBob]

USA Dayrock Silver-Lead Mine and Mill -



TORONTO, ONTARIO - July 10, 2007 -

U.S. Silver Corporation

(TSX VENTURE:USA), is pleased to announce the acquisition of
the historic -

Dayrock Lead-Silver Mine and Mill facility located
about 3 1/2 miles northeast of the Company's
Galena Mining Complex in the Silver Valley of North Idaho.

The Dayrock operated intermittently from
1924 until 1977 having produced
6,500,000 ounces of silver and
155 million pounds of lead

Mill production 450 tons per day -
11 oz per ton = 1.2 million oz.

The total tonnage milled was 1,276,488 tons

Ag 11 oz/t x 450 t/d x 300 days = Ag 1,485,000 oz Silver/year -
+ + future expansion etc.

Or-e..Au..ore..

USA **** GOLD **** GOLD **** 888 **** GOLD **** GOLD

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God Bless