Detailed Soil Survey of the Mount Revelstoke Summit Area.

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75Soil Map Unit 3The imperfectly to "moderately" poorly drained soils of MapUnit 3 occur in poorly defined snowmelt runoff channels (Plate 3) anddepressional areas of late snow cover and seasonal ponding .These soilshave deep (20 to 40 cm), dark colored organic (Oh) horizons that lookvery much like Ah horizons ; however, they contain 30 to 65 percentorganic matter .Classification :These soils are classified as Orthic and Cumulic Regosols asa result of their Oh, C or Ohl, Oh2, Oh3,C horizon sequences with brightlycolored C horizons (no indication of gleying processes) .Associated Map Units :These soils occur in close association with the peaty RegoGleysols of Map Unit 5 in some groundwater discharge areas . Map Unit 4soils have similar horizonation to Map Unit 3 soils ; however, the latterare poorly and very poorly drained Gleysols .Vegetation :Vegetation is made up of communities with Luetkea pectinatadominant in the snowmelt drains and Carex nigricans dominant in the basinareas . Occurring with the Luetkea pectinata are such species as Phyllodoceempetriformis , Erigeron peregrinus and the occasional Abies lasiocarpa .Pedon Description A :(Soil pedons representative of this map unit were sampled in two locations .)Described by : L . KnapikDate : August 29, 1973Location :S-3A
Parent Material :organic/slope washLandform :basinSlope :depressionalAspect :Elevation : 6,250 ft . ASL (1,910 m)Drainage Class :somewhat poorly drainedSoil Classification :Orthic RegosolVegetation :Carex niRricans (100% cover)Ohl 0 to 7 cm ; very dark grayish brown (10 YR 3/2 m) silt loam ;moderate, fine granular ; (turfy) ; abundant, fine, random roots ;abrupt, smooth boundary .Oh2 7 to 19 cm ; black (10 YR 2/1 m) silt loam ; moderate, fine,granular ; friable ; abundant, fine, random roots ; abrupt, smoothboundary .ash 19 to 21 cm ; yellowish brown (10 YR 5/4 m) fine sandy loam,tephra layer .Oh3 21 to 31 cm ; black (N 2/ m) silt loam ; moderate, fine granular ;friable ; few, fine, vertical roots ; clear, smooth boundary ; 8to 15 cm thick .HC 31+ cm ; yellowish brown (10 YR 5/6 m) gravelly sandy loam ;amorphous ; slightly firm ; 25% coarse fragments .Pedon Description B :Described by : L . KnapikDate : August 27, 1973Location :S-3BParent Material :organic/slope washLandform :weakly incised channelSlope : 18%Aspect :NorthElevation : 6,200 ft . ASL (1,890 m)Drainage Class :imperfectly drained
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DETAILED SOIL SURVEYOF THEMOUNT REV
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PageSOIL PRODUCTIVITY 53BIBLIOGRAPH
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LIST OF PLATESPagePLATE 1 . Humo-Fe
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INTRODUCTIONIn recent years Parks C
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THE STUDY AREAGeographic LocationTh
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calcareous rocks in the study area
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Mount Copeland (6,060 feet ASL) .At
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METHODS OF INVESTIGATIONField Techn
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116 . Pyrophosphate-Extractable Alu
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13FIGURE 2 .DIAGRAM OF A SOIL PROFI
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15Soils of the Summit AreaThe soils
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MISCELLANEOUS MAPPING UNITSRBedrock
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AhBhf20 cm-Plate l .The Humo-Ferric
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21extremely sloping land surfaces o
Page 30 and 31: Soil Map Unit 3(Orthic and Cumulic
Page 32 and 33: 25These soils have severe limitatio
Page 34 and 35: 27Horizon Depth (cm) Color Texture
Page 36 and 37: 295-a20 cm-5 -bPlate 5 .The hummock
Page 38 and 39: 31stands are made up of Abies lasio
Page 40 and 41: 6-aAeBfR20 cm-6 -bPlate 6 .The Lith
Page 42 and 43: 37INTERPRETATIONSSoil Properties an
Page 44 and 45: 39TABLE 4,GUIDES FOR ASSESSING SOIL
Page 46 and 47: 41TABLE 6 .GUIDES FOR ASSESSING SOI
Page 48 and 49: 43TABLE 8 .GUIDES FOR ASSESSING SOI
Page 50 and 51: 45especially where bedrock is close
Page 52 and 53: TABLE 10 . DEGREE AND NATURE OF SOI
Page 54 and 55: 49The soils of map units 1, 8 and 9
Page 56 and 57: 51compounds thus inhibiting percola
Page 58 and 59: 53PRODUCTIVITYProductivity ratings
Page 60 and 61: S4 XTABLE 11 . DISTRIBUTION OF SOIL
Page 62 and 63: 57BIBLIOGRAPHYAlberta Department of
Page 64 and 65: 59Terzaghi, K . and R .B . Peck . 1
Page 66 and 67: 61ecosystem .While the activities i
Page 68 and 69: TABLE A. CLASSES OF FRAGILITY FOR P
Page 70 and 71: TABLE B. CLASSES OF FRAGILITY FOR S
Page 72 and 73: 67than to channel use to a rarer ty
Page 74 and 75: 69approximately 10 cm thickness and
Page 76 and 77: 71ANALYTICAL DATA 1HorizonDepthcmCa
Page 78 and 79: 73several species of common occurre
Page 82 and 83: 77Soil Classification :Orthic Regos
Page 84 and 85: 79ANALYTICAL DATA 3BHorizonDepthcmC
Page 86 and 87: 81Elevation : 6,000 ft . ASL (1,830
Page 88 and 89: 82ANALYTICAL DATA 4HorizonDepthcmCa
Page 90 and 91: Aspect :southeastElevation : 6,200
Page 92 and 93: Soil Map Unit 6Hummocky microrelief
Page 94 and 95: ANALYTICAL DATA 6HorizonDepthcmCaC1
Page 96 and 97: Location : S-7Parent Material :glac
Page 98 and 99: Soil Map Unit 8These soils have med
Page 100 and 101: Elevation : 6,250 ft . ASL (1,910 m
Page 102 and 103: orizonPyrophosphate96ANALYTICAL DAT
Page 104 and 105: Slope : 5%Aspect :northElevation :
Page 106 and 107: Soil Map Unit 10Map Unit 10 soils h
Page 108 and 109: Vegetation : Abies lasiocarpa (shru
Page 110 and 111: 104ANALYTTCAL DATAlOBHorizonDepthcm
Page 112 and 113: A further separation of sands is ma
Page 114 and 115: (D1) Rapidly drained - soil moistur
Page 116 and 117: 110TABLE 13 . UNIFIED SOIL CLASSIFI
Page 118 and 119: GLOSSARYThis is included to define
Page 120 and 121: illuviation -the process of deposit
Page 122 and 123: pH - a notation used to designate t
Page 124: LATIN AND COMMON NAMES OF PLANTS ME
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Detailed Soil Survey of the Mount Revelstoke Summit Area.

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