Dames & Moore, 1999 - USDA Forest Service
Dames & Moore, 1999 - USDA Forest Service Dames & Moore, 1999 - USDA Forest Service
TABLE 4.2-2 CRITERIA FOR GRADING THE SLOPES EROSION POTENTIAL G:\WPDATA\O05WEPORTS\HOLDEN-2WIU-O-ODOC 17693-005-019Uuly 19. 1999:4:51 PM;DRAm FINAL RI REPORT
TABLE 4.2-2a EROSION POTENTIAL RANKING CRITERIA FOR OBSERMD EROSION HOLDEN MINE RUFS H:Vlolden\DraR Final RI rptS-4Uables\4-2-2aAs 711 8/99 DAMES B MOORE JOB NO. 11693405419 Ranking None Minor Moderate Extensive Gravel Cap Cover > 90% > 70% 30-70% c 30% Tailings Exposure No ~20% 20-60 % > 60% Cliffs Present No Uncertain Yes Yes Page 1 of 1 Block Sloughing Not Occunng Small (c 10 cm). minor in a few spots Medium (10-30 cm), present across slope Large (> 30 cm), extensive across slope not present Vegatation mature trees. abundant saplings. brush grass few trees and saplings. some bush or grass Small amount of brush or grass --
- Page 209 and 210: Generalized Site-Wide Groundwater R
- Page 211 and 212: 4.4.3.5 Groundwater Uses Groundwate
- Page 213 and 214: Reach 1 Since there are no observed
- Page 215 and 216: evaluated on the basis of judgment
- Page 217 and 218: and only started flowing afier seve
- Page 219 and 220: interceptor ditches likely carry pr
- Page 221 and 222: The inflow of groundwater in the fo
- Page 223 and 224: Accuracy The accuracy of the bedroc
- Page 225 and 226: aquifer from the portal drainage, o
- Page 227 and 228: Reference Reaches RC-10. Railroad C
- Page 229 and 230: accessed, including the RM-3 "Dan's
- Page 231 and 232: The banks are relatively nonvegetat
- Page 233 and 234: Ratio of Shredder Functional Feedin
- Page 235 and 236: without scrapers and organisms requ
- Page 237 and 238: present at RC-6, RC-I, RC-3, SFAC-I
- Page 239 and 240: and stumps with bark piles surround
- Page 241 and 242: Tailings Piles A flock of violet-gr
- Page 243 and 244: 4.6.3 Threatened or Endangered Spec
- Page 245 and 246: Background Information Grizzly bear
- Page 247 and 248: anadromous populations occurring in
- Page 249 and 250: Creek drainage, they are more commo
- Page 251 and 252: R16E S7). These species include an
- Page 253 and 254: TABLE 4.1-1 KEY OF SITE FEATURES 8
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- Page 257 and 258: TABLE 4.1 -1 KEY OF SITE FEATURES 8
- Page 259: Pitchblende Sericite Biotite Source
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- Page 265 and 266: TABLE 4.24 BORROW SOURCE EVALUATION
- Page 267 and 268: TABLE 4.3-1 AVERAGE MONTHLY FLOW PE
- Page 269 and 270: TABLE 4.33 AVERAGE MONTHLY POTENTIA
- Page 271 and 272: TABLE 4.3& SURFACE WATER FIELD PARA
- Page 273 and 274: TABLE 4.3da SURFACE WATER flELD PAR
- Page 275 and 276: TABLE 4.3-5 MONTHLY STREAMFLOW AVER
- Page 277 and 278: NA = not measured NF = no flow S =
- Page 279 and 280: TABLE 4.34b AVERAGE MONTHLY WATER B
- Page 281 and 282: Station RC- I RC-4 RC-9 Copper Cree
- Page 283 and 284: Hydrostratigraphic Unit SoilIFill C
- Page 285 and 286: TABLE 4.4-2 GROUNDWATER FIELD PARAM
- Page 287 and 288: TABLE 4.4-2 GROUNDWATER FIELD PARAM
- Page 289 and 290: TABLE 4.4-2 GROUNDWATER FIELD PARAM
- Page 291 and 292: Stream Reach RC-4 to RC-7 RC-7 to R
- Page 293 and 294: TABLE 4.4-6 RESULTS OF OCTOBER 1998
- Page 295 and 296: Seep SP-8 was observed flowing in l
- Page 297 and 298: TABLE 4.448 SEEPAGE FIELD PARAMETER
- Page 299 and 300: TABLE 4.4- SEEPAGE FIELD PARAMETERS
- Page 301 and 302: TABLE 4.4-9 REACH 1 SITE-SPECIFIC W
- Page 303 and 304: Habitat Variable Stream Velocity an
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- Page 307 and 308: TABLE 4.6-2C DISTRIBUTION FIT FOR M
- Page 309 and 310: TABLE 4.6-3 TROUT POPULATION ESTIMA
TABLE 4.2-2a<br />
EROSION POTENTIAL RANKING CRITERIA FOR OBSERMD EROSION<br />
HOLDEN MINE RUFS<br />
H:Vlolden\DraR Final RI rptS-4Uables\4-2-2aAs<br />
711 8/99<br />
DAMES B MOORE JOB NO. 11693405419<br />
Ranking<br />
None<br />
Minor<br />
Moderate<br />
Extensive<br />
Gravel Cap Cover<br />
> 90%<br />
> 70%<br />
30-70%<br />
c 30%<br />
Tailings Exposure<br />
No<br />
~20%<br />
20-60 %<br />
> 60%<br />
Cliffs Present<br />
No<br />
Uncertain<br />
Yes<br />
Yes<br />
Page 1 of 1<br />
Block Sloughing<br />
Not Occunng<br />
Small (c 10 cm). minor in a few<br />
spots<br />
Medium (10-30 cm), present<br />
across slope<br />
Large (> 30 cm), extensive across<br />
slope not present<br />
Vegatation<br />
mature trees.<br />
abundant saplings.<br />
brush<br />
grass<br />
few trees and saplings.<br />
some bush or grass<br />
Small amount of brush or<br />
grass<br />
--
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