SOIL SURVEY

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-168-(cont . )Table 67 : Interpretations for selected uses -I The degree of limitation is designated as SL (slight), M (moderate), S (severe), and VS (very severe) ; the nature of the mos tsevere limitations are also indicated ]Map Unitl Playgrounds Camp Areas Picnic Areas Paths & Trail sSK1 3 ' 6 - text - tex tVS- slope M - tex tM - slope m - slopeSKI SK13'6 VS- slopeS - slope S - slope m - tex t- slop eSKI SK13'6 VS- slope VS- slope VS- slope S - slop eG gSK13'6VS- slope VS- slope VS- slope VS- slop eHTAl S - C .F .M -text m - text M - tex tAC - sand - C .F .TA 1-DS -sand m - text . M - text m - tex t- slope- text - tex tTA 1M - tex t-VS- slope M - C .F. M - C .F .E- slope - slope- tex tTA1 TMVS- slope S - slope S - slope M - C .F .F- f- slopeSeptic Tank Permanent Buildings Local Roads Susceptibility t oAbsorption Fields with basements without basements & Streets Water Erosion 2M - slope- wet-slope- slopeM - slopeM _ frostM - str .- frost - frostS - slope S - slope S - slope S - slope SVS- slope VS- slope VS- slope VS- slope SVS- slope VS- slope VS- slope VS- slope SSL4 M -stony M - stony SL SLSL4 M - stony M - stony SL MM - slope4 M -aloPneM -SloPneM - slope S4S - slope S - slope S - slope S - slope STA 1- VS- slope VS- slope VS- slope S - slope VS- slope VS- slope VS- slope VS- slope SFGTA1 TAIVS- slope VS- slope VS- slope S - slop e VS- slope VS- slope VS- slope VS- slope SG gTA12VS- slope VS- slope VS- slope VS- slop e VS- slope VS- slope VS- slope VS- slope SH-13'6 - wet - we tm -wetVS- slope M - text M - textMS -wetM - wet m -T0wetFS- text -slope - slope - slop e- slope - slopewe tT013'6VS- slope S - slope S - slope M - text S - slopeS - slope S - slope SS - sleotpe- slop eT013'6GVS- slope VS- slope VS- slope S - slope VS - slope VS- slope VS- slope VS- slope ST01 3 ' 6HVS - slope VS- slope VS- slope VS- slope VS - slope VS- slope VS- slope VS- slope SVA1 3 VS - wet VS - wet VS - wet vs - we t-text - text - text -tex tVA1 3VS -wet VS - wet VS - we t-D vs-we'- text - text - text - tex tVS - W .T .VS- W .T .VS- wetVS- wetVS- wetVS- wetVS- wetVS- wetSL - MM3 - wetVA VS- text- slopevs- te ' toVS- textvstextVS .- W .T . VS- wet VS- wet VS- wet SVAl VA13 VS- tex ts VS- wet VS wet vs- we t VS- W .T . VS- wet VS- wet VS- wet SF F--text -text - textslopeWI1S-stonym text m -textS _stonyM - W .T . 4 S - stony S - stony M - stony SLAC - sand -stony - stonyWR1 5' 7-CC S - stony S - stony S - stony S - stony SL4 S - stony S - stony S - stony SL_WR1-5' 7S-stonyS - stony S - stony S - stony SL4 S - stony S - stony S - stony S LWR1 5 ' 7- slop eVS - slope S - stony S - stony S - stony M - slope4 S - stony S - stony S - stony S LWR1 WR1 5 ' 7S - stonyVS-slopes -stonyS - stony S - slope4 SstonysS - stonysln yMWR1 5 ' 7- slope -slope - ope - oPS -stonyVS- slope VS- slope VS- slopeVS- slope VS- slope VS- slope VS- slope S- -- slop eN . B . Footnotes at end of table .M
-169-Table 67sInterpretations for selected use sMap Unltl Playgrounds Camp AreasWR2 5 ' 6 VS- stony VS- stonywR25,6WR25'6VSston yopVS _ stonyVS- stonyVS- stonyWR25 ' 6 - stony vs - stonyVS - slope slopeW~5 ' 6vs - stonyVS- stonyslope - slopeWR35S -surd M - tex t55sandM - tex t- P eWR35- tex t-~- VS- slopeM - slop eWR35VS- slope 5 - slopeWR35GWR4 5WR45VS- slope- wetM - text- slopeVS- slopeVS- slopeM - we t- tex t- we tM - tex t- slopeWR45F VS- slope S - slop eWR55 M - text M - tex tWR55WR55WR55S - slope M - tex tVS- slopem - so r P eVS- slope S - slope- (The degree of limitation is designated as SL (slight), M (moderate), S (severe), and VS (very severe) ; the nature of the mostsevere limitations are also indicated )Picnic AreasM - text M - text SL4 M - str . M - str . M - stn . Sm text 4 - sir . M - sir . M - str .M - textM - slope- slopeM _slope - slope - slope Sm -tex tS - slope5 - slope4 S - slope S - slope S - slope S- slopeVS- slope S - slope VS- slope VS- slope VS- slope VS- slope S- wetm - wet M - we t5 -- text - textS - W .T . 4 S - W .T . S - frostfrostSL- frost- str .t- w e - weM -textM - wetS - W .T . 4 S - W .T . S - frost'ostSS _ Sr .- slope - fros t- wet _- W..T ., wet- fr t - frostS - slope M - text S S - frost S S S- slope-slope - sir .- slope- slopeM - text M - text S - W .T . 4 SM - text M - text S - W .T . 4 SM - slat slopePaths & TrailsSeptic Tank Permanent Buildings Local Roads Susceptibility t3Absorption Fields with basements without basements & Streets Water ErosionVS- stony VS- stony SL4 VS- stony VS- stony VS- stony SLVS- stony VS- stony M - slope VS- stony VS- stony VS- stony MVS- stony VS- stony S - slope VS- stony VS- stony VS- stony Svs - stonyVS- stony VS- slope vs-- stony - stony vs - stonyslope slope VS - slope slope Sstony - stony stony - stony stonyVS VS VS- slope vs- VS VS 5- ope ope ope - ope - opeM - text M - text SL4 M - str . M - str . M - str . SL - MS - slopeM - text S - W .T4 Sm - tex t- slopeS - W .T . 4- slopeS- frost- W .T .- frost- W .T .- frost- W .T .- frost- slopeS - frost S - frost SL - MS - frost S - frost SS - frost S - frost 5S - fros t- slop eS - frostSFOOTNOTES:1. The landform component of the map symbol has not been treated as independent of the soils component for the purposes of this table . The landform informatio nconsidered most important to making the interpretations is also an inherent port of the soil symbol .2. There are only three classes of susceptibility to erosion . These are designated slight (SL), moderate (M), and severe (5) .3. Rockiness and depth to bedrock may present additional limitations in these map units . Those units which are indicated as (map unit) +R, or R+ (map unit) on th esoils map will have moderate or severe limitations due to rockiness for most recreational uses . Those map units which are designated as occurring on colluviol o rmorainal veneers have depths to bedrock of less than 2 meters and will also present additional limitations for sane recreational uses .4. The rapid permeability of these soils results in a potential for causing pollution to adjacent waters . The degree of limitation caused by this pollution hazard must b eevaluated by an on-site investigation taking into account the proximity of the water body which may be affected .5. These map units occur on alluvial fans which may be subject to an overland flow of water during spring run-off . This overland flow is usually restricted to thosefans with slopes less than about 5% . On steeper fans, there is o possibility that the stream channels may change their courses in spring .6. Snow avalanching may occur on these map units, and where significant is indicated by the presence of A or 4A in the map unit symbol . BG4 and WR2 are associatedwith a high amount of avalanching . Snow avalanching presents a very severe limitation for all permanent structures and facilities and is also a factor to considerwhen planning hiking trails if these are to be used as cross-country ski or other trails in winter .7. Sane soils with high contents of gravels and cobbles and few fines, such as those on steep colluviol slopes and alluvial fans have little tendence to erode . This is inport o result of their low bulk density and extreme permeability which does not normally allow any surface runoff . However, if sane act of nature or man shouldresult in a significant flow of water along a trail or over the soil surface, these soils can erode very quickly, forming deep gullies .
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t, Agricultur eCanad aSOIL SURVEYof
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SOIL SURVEY O FYOHO NATIONA LPARK,
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(Contents - cont . . )PageFIGURES1
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(Contents - cont . . . )TABLES (con
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(Contents - cant . . . )TABLES (con
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Gleysolic and Organic soils occur i
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PREFAC EThe soil survey of Yoho Nat
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How to use this repor tThis report
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PARTIGENERAL DESCRIPTION OF THE ARE
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-3-The Kicking Horse River and Kick
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-5-serves hikers in the Lake O'Hara
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-7-mainly in the Cataract Brook - L
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figure 3 . A cirque; typical of man
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-11-Glacial processes are not howev
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-13-Figure 6 . Drainage systems of
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-15-_.iure 7 . Gentle gradients in
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-17-The effect of altitude on clima
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GOLDE NPR ECIP nTAT IO NRAIN + SNO
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Table 2 . Comparison .' of mean mon
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-23-VEGETATIO NGeneral Vegetation P
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-25-The interaction of these soil-f
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-27-profile development is frequent
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-29-PART I IMETHODOLOGYMAPPINGA goo
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Figure 13 . Oblique photo showing t
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Figure 15 . Oblique photo showing t
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-35-~ ♦ YOHO NATIONAL PAR K[D]Ami
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-37-Table 3 . An outline of the loc
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-39-The topography of each mapping
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-41 -must be treated as an independ
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-43-FIELD TEST S1 . Bulk Density; b
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-45-are calcareous, stratified, med
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-47-Organic Landform sNorco (NA) is
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-51 -LEGENDParent material.colluviu
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-53-Table 7 . Key criteria differen
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-55-BC2 Map Unit (Orthic and Rego G
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-57-Table 10 . Brief description of
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ure 24 . This photo shows the huge
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igure 26 . Site of the pedon chosen
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-63-Figure 28 . Site of the pedon c
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- 65-CLI.Figui 30 . Site of the ped
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L-69-r_ -, _ 1 4Figure 35 . Site of
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Figure 37 . Site of the pedon chose
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-73-Landform and Parent Material sT
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-75-The silty surface texture, slow
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-77-material and/or shallowness (of
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Figure 44 . Site of the pedon chose
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-81-HR1 Map Unit (Degraded Eutric B
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-83-in the solum, but may exceed 50
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-85-KI - Kicking Horse Soilscape Gr
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-87-Silty surficial textures provid
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-89-Wetness, texture, and potential
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-91 -Table 27 . Brief description o
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Site of the pedon chosen to charact
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-97-NI1 Map Unit (Lithic Orthic Eut
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-99-Figure 62 . Site of the pedon c
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-101 -EnvironmentThe Ogden soilscap
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-103-Table 33 . Brief description o
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-105-Table 34 . Brief description o
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-107-Figure 70 . Site of the pedon
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Figure 73 . Degraded Eutric Bruniso
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_ • _- - ~ . -. n- C . 1 - r IFig
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-113-YpiFigure 76, Site of the pedo
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-115-Figure 78 . Site of the pedon
Page 135 and 136: -117-OP 1 Map Unit (Cumilic Regosol
Page 137 and 138: -119-OT - Otterhead Soi Iscape Grou
Page 139 and 140: ure 82 . Site of the pedon chosen t
Page 141 and 142: -123-Table 44 . Key criteria differ
Page 143 and 144: -125-SI2 Map Unit (Lithic Humo - Fe
Page 145 and 146: -127-Landform and Parent Material s
Page 147 and 148: -129-Table 47 . Brief description o
Page 149 and 150: Figure 91 . Site of the pedon chose
Page 151 and 152: -133-Environmen tzones .The Tocher
Page 153 and 154: -135--The steep slopes and the rela
Page 157 and 158: Figure 97 .Site of the pedon chosen
Page 159 and 160: -141 -EnvironmentThe Watchtower soi
Page 163: -145-The stoniness and periodic sno
Page 166 and 167: Brief description of the pedon chos
Page 168 and 169: -150-late snowmelt areas or streams
Page 170 and 171: -152-The soils have been rated acco
Page 172 and 173: -154-Table 58 . Guides for assessin
Page 174 and 175: -156-Table 60. Guides for assessing
Page 176 and 177: -158-Table 62. Guides for assessing
Page 178 and 179: -160-Table 64 . Guides for assessin
Page 180 and 181: -162-Table 66 . Frost design soil c
Page 182 and 183: Table 67r Interpretations for selec
Page 184 and 185: (cont . )Table 67: Interpretations
Page 188 and 189: -170-GLOSSARY'AASHO classification
Page 190 and 191: -172-Clay films (skins) - Oriented
Page 192 and 193: -174-Field capacity - The percentag
Page 194 and 195: -176-Humification - The process by
Page 196 and 197: -178-Mechanical analyses - See part
Page 198 and 199: - :180-Permeability, soil - The eas
Page 200 and 201: -182-Slump - A landslide characteri
Page 202 and 203: -184-organic carbon, or both .BC -R
Page 204 and 205: -186-Granular - More or less rounde
Page 206 and 207: -188-Unified Soil Classification Sy
Page 208 and 209: -190-Bei I, C .E . 1966 . An ecolog
Page 210 and 211: -192-Hutchinson, D . E . 1976. Reso
Page 212 and 213: -194-Soil Research and Plant Resear
Page 214 and 215: -196--Appendix A :Selected chanical
Page 216 and 217: Appendix BtEngineering test data fo
Page 218 and 219: Appendix B : Engineering test data
Page 220 and 221: Appendix B : Engineering test data
Page 222 and 223: -204-Appendix D :Common names and t
Page 224 and 225: -206-HERBS (cont )Common Name sCow
Page 226: -208-MOSSE SCommon Name sCladina mi
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SOIL SURVEY

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