IP surveys show continuation of anomalies to depth at El Pulpo

VANCOUVER, Aug. 15 /CNW/ - Ross River Minerals Inc. (TSX-V: RRM) (the
"Company") is pleased to announce results from its Induced Polarity (IP) and
magnetometric geophysical surveys over new grid lines east and west of known
porphyry copper mineralization.  A total of 73.04 line-kilometres of IP and
magnetometer surveys were carried out, including 56.16 line-kilometres east
and 16.88 line-kilometres west of the 2004 grid.  IP geophysical anomalies
were detected in the Minitas and Vado Hondo areas (see press releases dated
April 25, May 9 and August 11, 2005).
The IP surveys with a pole-dipole array and a station spacing of
50 metres resulted in IP readings at six depth intervals, corresponding to a
depth of penetration of approximately 150 metres. To obtain a better
understanding of the depth extent of the IP anomalies identified in the 2004
and 2005 IP programs, the Company also re-surveyed 7.54 line-kilometres to a
depth of penetration of 12 levels, or approximately 300 metres. The extra
depth levels in each case helped to define more clearly the nature and trend
of the chargeability anomalies and associated conductivity/resistivity
anomalies.
The results of the 2004 and 2005 IP surveys clearly indicate a broad    
arc-shaped zone of chargeability anomalies approximately 2.7 by 3.5 kilometres
in dimension. This zone extends from the Cerro Colorado area north through the
Langosta area and west to the Vado Hondo area. This area contains porphyry
mineralization with coincident soil and lithogeochemical anomalies for copper,
molybdenum, silver and gold. The Minitas area (2.5 kms x 1.0 kms) is
characterized by chargeability anomalies, soil anomalies and mineralization
similar to those of Cerro Colorado approximately two kilometres to the east.
The re-survey to 12 depth levels showed that the IP anomalies do extend
at least 300 metres from surface and become stronger with depth. The positive
results from the program have clearly defined drill targets for a drill
program scheduled for October.

James R. Reeves P. Geo was the qualified person supervising the
exploration program.
To find out more about Ross River Minerals Inc. (TSX-V: RRM) visit our
website at www.rossriverminerals.com.

                        ROSS RIVER MINERALS INC.

                        Per: "Marcus Foster"

                        ---------------------------
                        Marcus N. Foster, President

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