13.01.2013 Views

Dames & Moore, 1999 - USDA Forest Service

Dames & Moore, 1999 - USDA Forest Service

Dames & Moore, 1999 - USDA Forest Service

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

-<br />

.-<br />

a 9<br />

i<br />

C<br />

0<br />

SOURCES: SRK<br />

(Buckskin<br />

.Formation)<br />

Norlhwest Geophysical Associates, 1997, Seismic Line A-A: 8-8: Holden Mine<br />

Geophysical Investigation.<br />

1 .!XOLevel Main Tunnel'<br />

LEGEND<br />

--,<br />

Oxidation of Sulphides<br />

in Stopes<br />

Open stope<br />

Intersection with<br />

Cross Section 1-1'<br />

Surface Water<br />

r lnfimQm<br />

NOTE:<br />

This cross section is generally parallel to ore<br />

body and 1500-level ventilator tunnel. Due to<br />

the 1500-level main tunnel having +1% grade,<br />

water flow is toward main portal opening but not<br />

shown on this figure. (See Figures 6.1 -2a and I<br />

6.1 -2b)<br />

Stagnant Conditions<br />

Further Back in Mine<br />

Approximate Groundwater<br />

Continues Approximately 8.000'<br />

0 500 1,000<br />

Approximate<br />

Horizontal and Vertical<br />

Scale in Feet<br />

1<br />

-<br />

Youngberg. E. A., Wilson, T: L., 1952, The Geology of the Holden Mine, Economic<br />

Geology, L/: 47, No. 1, 1952. pp. 1-12.<br />

W.A.B., 1942, Detailed Surface Geology Map, Howe Sound Co., Chelan Division<br />

Backfilled stope<br />

vrA Dike<br />

F. E., H. B.S., 1938, Geology of 1500 Level, Howe Sound Company Chelan Division<br />

Transform fault<br />

-+ Direction of water movement<br />

-) Direction of air mwement Figure 6.5-2<br />

GENERAL WATER AND AIR FLOW FEATURES<br />

DAMES & MOORE IN THE UNDERGROUND MINE-WINTER<br />

A DAMS 6 MOORE GROUP COMPANY<br />

1<br />

~ob No. 17693-005-01 9<br />

Holden Mine RIIFS<br />

Draft Final RI Report<br />

I

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!