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.

TABLE 4.26<br />

BORROW SOURCE EVALUATION<br />

HOLDEN MINE RUFS<br />

DAMES B MOORE JOB NO. 17693405019<br />

SourceLocation<br />

Waste Rock Pile, upslope of<br />

Tailings Pile 1<br />

Gravel Quarry, approximately<br />

750 R south of road at milepost<br />

2.5<br />

Slope east of Tailings Pile 3<br />

along old road bed<br />

Slopes South of Tailings<br />

H:\HoldenV)raft Final RI rpt\S_4UablesW-2-6.xIs<br />

711 8/99<br />

potential use<br />

rip-rap<br />

soil cover<br />

rip-rap<br />

soil cover<br />

soil cover<br />

%r:le<br />

local<br />

7 miles<br />

local<br />

local<br />

Description (composition, size, etc.)<br />

primarity local host rock<br />

stream gravels: poorly graded rounded to<br />

subrounded cobbles, pebbles, sands with silts<br />

till. colluvium and old road bed material: zones<br />

and mixtures of angular coarse small boulders<br />

and cobbles with finegrained sands and silts<br />

ti11 and colluvium: predominantly finegrained<br />

(silt, fine sand - matrix supported), with zones<br />

of small (c 36-inch) boulders<br />

Page 2 of 2<br />

Schmidt-Hammer Tests<br />

not performed<br />

n/a<br />

n/a<br />

n/a<br />

Feasibility<br />

quality not assessed; maximum boulder size<br />

may be limiting factor; may be undesireable<br />

source due to visual aesthetics and source<br />

excellent source of stable (I.e., not wind<br />

transportable) gravel cap material; relatively<br />

long haul distance; quantity appears sufficient<br />

good soil cover source, but fines can be wind-<br />

transported, so would need additional cover or<br />

protection; very shod haul distances;quantity<br />

appears sufficient<br />

good soil cover source. but fines can be wind-<br />

transported. so would need additional cover or<br />

protection; very short haul distances; quantity<br />

unknown and dependent on quarry location<br />

1

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

Saved successfully!

Ooh no, something went wrong!