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

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

SOURCES: SRK<br />

H Flushing Reduced<br />

Some Variable Air Movement<br />

Northwest Geophysical Associates, 1997, Seismic Line A-A', 8-6'. Holden Mine<br />

Geophysical Investigation.<br />

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

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

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

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

DAMES & MOORE<br />

LEGEND<br />

. . . . . . . . . . . .<br />

..::.:.::. . ...... . . . . . :, , . >. . .,. .... , Open stope<br />

Badnilled stope .<br />

ra Dike<br />

-.-.-.- Transform fault<br />

---W Direction of water movement<br />

Direction of air movement<br />

Surface Water<br />

r Infilm<br />

Intersection with 1 a.<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<br />

6.1 -2b)<br />

0 500 1,000<br />

Approximate<br />

Horizontal and Vertical<br />

Scale in Feet<br />

GENERAL WATER AND AIR FLOW FEATURES<br />

IN THE UNDERGROUND MINE-SUMMER<br />

A DAMES 6 W R E GROUP COMPANY Holden Mine RIIFS<br />

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

Draft Final RI Report

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

Saved successfully!

Ooh no, something went wrong!