SOIL SURVEY

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Appendix BtEngineering test data for pedons used to represent Soilscape Mop Units in Yoho National Par kMapUnitMechanical Analysis from fract .< 3" ()) Plasticity(2)(3) (3) (3) fract .< (3)Opt . (5) Mad Classification 8 )Horizon 9E Passing Sieve Liq .Lim . Plast . D 10 0 30 060 0 .002 mm Activity( 4 ) st, densitymatter % Group(7) (3)(3) Textural (9 )3" 314 4 10 40 200 9c Index % p• c • f • Index AASHO UnifiedClassMiscellaneous CommentsOm - - - - - 70 Pt* O fOh not sample dBC1Ckgl not sample dCkg2 100 100 100 100 100 83 - _ _ - - 3 .2 ML* S iAhgb not sample d_ -_ C_kQb _100 100 100 100 100 190_ 43 20 - - - 17 1 .1 22 96 .5 - 14 A-7-6 CL S iBC2L not sample dCkg1 100 100 100 100 100 100 I .6 MH* S iCkg2 100 100 100 100 100 100 0.8 - - ML* S iOfb not sample dCkgb 100 100 100 100 100 99 52 13 - - - 8 1 .6 - 4 .6 12 A-7-5 MH S iOmb - - _ 61 - A-8 Pt Om bL-F not sample dACk 100 100 100 100 100 97 13 - ML* SiBC3 Ckgl 100 100 100 100 100 97 1 .1 - ML* SiCkg2 100 100 100 100 100 45 trace - - SM* VFS LIICkg 100 62 39 28 10 3 NP NP 0 .43 2 .0 15 0 0 .4 0 A-1-a GP VGCoSBGInot sampledL- H - - - -BG2 A&Ck 100 - - 9 7 5Ck 100 18 10 6 5 4 N PSilty alluvial deposits with 15-60 cm ofpeaty surface material ; less than 5° ecoarse fragments; water table near surface ,seasonally flooded .Stratified silty alluvial deposit; organi csurface horizon thinner than 15 cm ; buriedpeaty layer may occur within the solum ;very poorly drained, water table near th esurface .Stratified very gravelly coarse sand yalluvium overlain by silty deposits ; hig hwater table; periodic flooding .Boulder field; . boulders > 2 - 30 m acros scover 80-90% of the ground surface ;landslide area .47 - - - Greater than 50% by vol .gravels,cobble s13 - - VGSiL and boulders, unstable ; many of thes eNP 10 40 60 1 - 5 .9 0 A-1-a CW VGSiL colluvial slopes are avalanched .Lnot sample dABk 100 - - 53 43 39 6 .7 - - GSiLBG3 Ck100 48 43 24 22 15 48 2 - - 2 1 .0 - - 0 A-1-a GM VGSiLRno t =led_Ah 100 - - 31 31 27 25 - VGSi LBG4ACk 100 - - 39 38 25 8 .6 VGSi LCkl 100 - - 38 33 27 -0 .5 - - GSi LCk2 100 62 37_26 20 17 44 7 - - 3 2 .3 2 .3 0 A-1-b GM VGSiLL not sample dBG5 Ckl 100 - - 59 54 43 2 .0 - - SC* GSi LCk2 100 94 80 66 62 47 33 9 - - 6 1 .5 24 95 .0 0 .8 3 A-4 SC GSiLL-F 78 - - -Ae 100 - 70 60 42 2 .2 - SM* FS LCM1 Bml100 - 57 48 32 1 .1 - SM* GFS LBm2 100 - - 90 75 48 0 .9 - - SM* LBC1 100 - - 71 60 41 0 .2 - - SC* LBC2 100 77 69 66 53 48 17 5 - - - 8 0 .6 - 0 .1 8* A-4 SC GLL - F 65 - - - -Ae 100 - - 67 66 60 3 .6 - - ML* Si LCO1 Bml 100 - - 55 48 42 3 .9 - SC* GSi LBm2 100 - - 55 48 40 0 .6 - - SM* VGS LCk 100 58 39 36 20 10 29 2 0 .07 1 .2 11 2 1 .0 - - - 0 A-1-a SP-SM VGSLL-F - - - -Ae not sample dDS1 Bm 100 100 100 100 100 97 - - 2 .0 - - ML* Si LCkl 100 100 100 100 100 100 CL* SiC LCk2 100 100 100 100 100 100 32 16 28 0 .6 15 112 .5 - 11 A-6 CL SICLN .B . Footnotes at end of table .Very gravelly to gravelly silt loam ; som enobbles and stones ;> 50 cm to bedrock ; steep ,colluvial slopes ; often avalanched .These map units restricted to sno wavalanche tracks; stoniness variable .Gravelly medium textured colluvium ,derived Fran schists and slates; few cobblesor boulders; unstable in spring .Slightly calcareous coarse textured till ;cobbles and boulders common; a fewimperfectly drained map inclusions .Stratified very gravelly sandy loam wit hsilty surface horizons ; well drained stabl ealuvial fans .Well drained, medium textured soils of lo wpermeability developed on shallow (ofte n< 1 m) lacustrine deposits over till .
Appendix B : Engineering test data for pedals used to represent Soilscape Map Units in Yoho National Park (continued )MapUnitMechanical Analysis from frocr,< 3° (1) Plastid (2) (3) Opf . ( ~ Max .dry (~ (6) Classiflcafion (8 )Horizon % Passing Sieve Li Lim . Platt . Di(03)D (3)D60(3)froct .
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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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-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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-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
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-117-OP 1 Map Unit (Cumilic Regosol
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-119-OT - Otterhead Soi Iscape Grou
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ure 82 . Site of the pedon chosen t
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-123-Table 44 . Key criteria differ
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-125-SI2 Map Unit (Lithic Humo - Fe
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-127-Landform and Parent Material s
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-133-Environmen tzones .The Tocher
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-135--The steep slopes and the rela
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Figure 97 .Site of the pedon chosen
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-141 -EnvironmentThe Watchtower soi
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-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 186 and 187: -168-(cont . )Table 67 : Interpreta
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 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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