Atna Reports 2nd Quarter Progress at Pinson Gold Project, Nevada

    GOLDEN, Colo., Aug. 5 /CNW/ -- Atna Resources Ltd. ("Atna") - (TSX: ATN),
is pleased to report on activity at the Pinson Gold Mine in Humboldt County,
Nevada. Pinson Mining Company ("PMC"), a subsidiary of Barrick Gold, spent
US$5.2 million on drilling and development activities at Pinson in the second
quarter of 2008 bringing their total project-to-date expenditures to US$13.2
million. PMC may earn a 70 percent interest in the project by spending a total
of US$30 million by April 6, 2009, which would result in Atna retaining a 30
percent interest.
    Initial results of PMC resource optimization studies indicate the
potential for an open pit concept that could combine the underground resource
with un-mined resources remaining in and around four of the historic Pinson
mine pits, into a large pit concept.  PMC plans an additional 30,000 feet of
surface drilling to evaluate the open pit model with further delineation of
mineralization in the four historic pit areas. PMC is conducting additional
metallurgical studies to further define possible metallurgical process routes
for the various sulfide and oxide mineralization types at the site.
    Simultaneous work is being conducted on optimizing underground mine
design and economic trade-off studies on the benefits of mining the high grade
resource zone by underground methods or proceeding with the project using a
large scale open pit concept.
    A second portal collar was completed during the quarter. The underground
contractor is being changed, resulting in delays to further underground
development during rebidding and remobilization. The new contractor should be
in place and advancing underground development in early August. Dewatering
infrastructure was placed into service, including two rapid infiltration
basins and associated pipelines. PMC has completed drilling on a second
dewatering well to around 580 feet. A total of four wells are planned to
accelerate dewatering ahead of planned decline or pit development. The site
power distribution system has been upgraded and construction for a mineralized
stockpile began.
    Drilling focused on infill in the upper Ogee and Range Front resource
zones and on exploration of geophysical targets outside the resources areas.
During the quarter, five underground drillholes totaling 2,065 feet of core
were completed from two drill stations on the Ogee ramp as infill drilling on
the Ogee Zone. One surface reverse circulation hole was targeted on a
geophysical anomaly and two surface dewatering pilot holes were drilled
totaling 2,510 feet with 420 feet of core tail.  Significant assay returns
reported by PMC for the quarter are as follows:

    Drill Hole No.    From       To      Length  Gold   Zone/Comment
                      (ft)      (ft)     (ft)   (oz/t)
    OG6-155-6         259.2     313.0     53.8  1.059  UG Ogee Resource Zone
    BRFC-26           706.0     719.5     13.5  0.389  Range Front
                      895.0       905     10.0  0.312  Range Front
    BRFC-27           335.0     405.0     70.0  0.135  Ogee
    and             1,056.5   1,143.0     86.5  0.218  Range Front
    and             1,470.0   1,490.0     20.0  0.144  Range Front
    BRFC-28           910.0     920.0     10.0  0.634  Range Front
    BRFC-30           518.5     529.0     10.5  0.852  Ogee
                      784.5     792.3      7.8  0.743  Ogee
                     1321.0      1354     33.0  0.265  Range Front
                     1430.5    1454.5     24.0  0.461  Range Front
    BRFC-31            70.0     110.0     40.0  0.292  CX Zone
                                                       Water Well Pilot Hole

    *Intercepts do not represent true widths.
    Qualified persons:
    All sample preparation and gold assays in this press release were
completed by American Assay Laboratories in Reno, Nevada, an independent
analytical laboratory with a Certificate of Laboratory Proficiency PTP-MAL
from the Standards Council of Canada. Gold assays were completed by standard
fire assay methods with an atomic absorption finish or a gravimetric finish
for higher grade samples. Pinson Mining Company has instituted a rigorous
QA/QC protocol which includes certified assay standards and blanks,
replicates, and duplicate samples which bolsters American Assay's own internal
QA/QC program.
    This press release reports information provided by PMC which was reviewed
by William Stanley, V.P. Exploration of Atna, a Licensed Geologist, and
Qualified Person who has the ability and authority to verify the authenticity
and validity of information contained within this news release.
    Forward-looking statements:
    This press release contains certain "forward-looking statements," as
defined in the United States Private Securities Litigation Reform Act of 1995,
and within the meaning of Canadian securities legislation, relating to the
status of work programs and budgets at the Pinson Gold Project. Forward-
looking statements are statements that are not historical fact. They are based
on the beliefs, estimates and opinions of the Company's management on the date
the statements are made and they involve a number of risks and uncertainties.
Consequently, there can be no assurances that such statements will prove to be
accurate and actual results and future events could differ materially from
those anticipated in such statements. The Company undertakes no obligation to
update these forward-looking statements if management's beliefs, estimates or
opinions, or other factors, should change. Factors that could cause future
results to differ materially from those anticipated in these forward-looking
statements include: the above-reported new drill results data will ultimately
not contribute to an improved optimization study, the Company's consultants
will not be able to complete NI 43-101 compliant technical reports without
conducting significant additional investigations of the Company's property,
the Company might encounter problems such as the significant depreciation of
metals prices, changes in equity ownership, accidents and other risks
associated with mining exploration and development operations, the risk that
the Company will encounter unanticipated geological factors, the Company's
need for and ability to obtain additional financing, the possibility that the
Company may not be able to secure permitting and other governmental clearances
necessary to carry out the Company's mine development plans, that will prevent
it from restarting mining operations at the Pinson Gold Project, and the other
risk factors discussed in greater detail in the Company's various filings on
SEDAR ( with Canadian securities regulators and its filings with
the U.S. Securities and Exchange Commission, including the Company's Form 20-F
dated March 25, 2008.
    Cautionary Note to U.S. Investors - The United States Securities and
Exchange Commission permits U.S. mining companies, in their filings with the
SEC, to disclose only those mineral deposits that a company can economically
and legally extract or produce. We use certain terms in this news release,
such as "resources," that the SEC guidelines strictly prohibit U.S. registered
companies from including in their filings with the SEC.
    Additional information on Atna Resources Ltd. and the Pinson Gold Project
is available on our website at or contact:
    James Hesketh, President and COO (303) 278-8464
    Valerie Kimball, Corporate Communications (303) 278-8464


For further information:

For further information: James Hesketh, President and COO, or Valerie
Kimball, Corporate Communications, both of Atna Resources Ltd.,
+1-303-278-8464 Web Site:

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