Soil Survey of Crater Lake National Park, Oregon

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Soil Survey of Crater Lake National Park, Oregon

Table of Contents

crater-lake-soil-survey PDF file

01 Cover

02 Introduction

03 How to Use This Soil Survey

04 Foreword

05 General Nature of the Survey Area

06 How This Survey Was Made

06 General Soil Map Units Introduction

07 Lapine-Steiger (ponderosa pine/fir)

08 2. Timbercrater-Llaorock-Castlecrest (mountain hemlock)

09 3. Timbercrater-Castlecrest-Llaorock (Shasta red fir)

10 4. Maklak-Collier (ponderosa pine/fir with lodgepole pine)

11 4. Maklak-Collier (ponderosa pine/fir with lodgepole pine)

12 Soils That Are in Valleys and Formed in Ash and Pumice Flow Deposits of Ash, Pumice, and Cinders

13 4. Soils That Are in Valleys and Formed in Ash and Pumice Flow Deposits of Ash, Pumice, and Cinders

14 5. Castlecrest-Umak (mountain hemlock with lodgepole pine)

15 6. Unionpeak-Castlecrest (mountain hemlock)

16 Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice Over Glacial Deposits

17 Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice Over Glacial Deposits

18 Soils on Alpine Meadows With Intermingled Forests

19 Soils in Seeps and on Stream Terraces

20 4—Castlecrest gravelly ashy sandy loam, 2 to 10 percent slopes

21 8—Castlecrest-Badland complex, 60 to 100 percent slopes

22 9—Castlecrest-Llaorock complex, 2 to 25 percent slopes

23 10—Castlecrest-Sunnotch complex, 5 to 45 percent slopes

24 11—Cleetwood very gravelly ashy loamy coarse sand, depressional, 0 to 7 percent slopes

25 12—Cleetwood-Castlecrest complex, dry, 10 to 30 percent slopes

26 13—Cleetwood-Castlecrest-Llaorock complex, 5 to 30 percent slopes

27 14—Cleetwood, thin surface-Cleetwood-Dyarock complex, 2 to 20 percent slopes

28 15—Cleetwood, thin surface-Llaorock-Cleetwood complex, 5 to 30 percent slopes

29 16—Cleetwood-Sunnotch-Castlecrest complex, high elevation, 15 to 30 percent slopes

30 17—Collier ashy loamy sand, 0 to 7 percent slopes

31 18—Collier ashy loamy sand, dry, 0 to 10 percent slopes

32 19—Collier very gravelly ashy loamy sand, low, 0 to 7 percent slop

33 20—Collier-Badland complex, 60 to 100 percent slopes

34 21—Donegan very gravelly ashy sandy loam, 30 to 65 percent south slopes

35 22—Grousehill gravelly medial loam, 0 to 25 percent slopes

36 23—Grousehill-Llaorock complex, 5 to 35 percent slopes

37 24—Grousehill-Llaorock complex, dry, 0 to 30 percent slopes

38 25—Grousehill-Racing complex, 0 to 5 percent slopes

39 26—Lapine paragravelly ashy loamy coarse sand, 10 to 35 percent south slopes

40 27—Lapine paragravelly ashy loamy coarse sand, 35 to 55 percent south slopes

41 28—Lapine-Oatman complex, 5 to 30 percent slopes

42 29—Lapine-Oatman complex, 30 to 60 percent south slopes

43 30—Lapine-Rock outcrop-Wuksi complex, 30 to 70 percent south slopes

44 31—Lapine-Steiger-Wuksi complex, high elevation, 2 to 25 percent slopes

45 32—Lapine-Wuksi-Rock outcrop complex, 30 to 70 percent north slopes

46 33—Lava flows, 0 to 15 percent slopes

47 34—Llaorock-Castlecrest complex, 0 to 15 percent slopes

48 35—Llaorock-Castlecrest complex, 15 to 30 percent slopes

49 36—Llaorock-Castlecrest-Rock outcrop complex, 30 to 60 percent north slopes

50 37—Llaorock-Castlecrest-Rock outcrop complex, 30 to 60 percent south slopes

51 38—Llaorock-Rubble land-Rock outcrop complex, 60 to 90 percent north slopes

52 39—Llaorock-Rubble land-Rock outcrop complex, 60 to 90 percent south slopes

53 40—Llaorock-Timbercrater-Rubble land complex, dry, 60 to 90 percent south slopes

54 41—Maklak paragravelly ashy loamy sand, 0 to 10 percent slopes

55 42—Maklak paragravelly ashy loamy sand, low, 0 to 10 percent slopes

56 43—Maklak paragravelly ashy loamy sand, high precipitation, 0 to 10 percent slopes

57 44—Mariel-Stirfry complex, 0 to 3 percent slopes

58 45—Redcone-Cinder land complex, 30 to 60 percent south slopes

59 46—Redcone-Rock outcrop complex, 30 to 60 percent north slop

60 47—Rock outcrop-Rubble land complex, 60 to 90 percent slopes

61 48—Stirfry mucky peat, 0 to 7 percent slopes

62 49—Stirfry-Grousehill complex, 0 to 10 percent slopes

63 50—Sunnotch gravelly ashy sandy loam, dry, 0 to 35 percent slopes

64 51—Sunnotch-Unionpeak complex, 15 to 35 percent slopes

65 52—Timbercrater paragravelly ashy loamy sand, dry, 25 to 60 percent north slopes

66 53—Timbercrater-Castlecrest complex, 0 to 10 percent slopes

67 54—Timbercrater-Castlecrest complex, dry, 2 to 15 percent slopes

68 55—Timbercrater-Castlecrest complex, dry, 15 to 30 percent south slopes

69 56—Timbercrater-Castlecrest-Llaorock complex, 10 to 30 percent south slopes

70 57—Timbercrater-Llaorock complex, 10 to 30 percent north slop

71 58—Timbercrater-Llaorock complex, dry, 30 to 60 percent south slopes

72 59—Timbercrater-Llaorock complex, high elevation, 30 to 80 percent slopes

73 60—Timbercrater-Llaorock-Castlecrest complex, 30 to 60 percent slopes

74 61—Timbercrater-Sunnotch-Castlecrest complex, 0 to 10 percent slopes

75 62—Umak paragravelly ashy fine sandy loam, 0 to 7 percent slope

76 63—Umak paragravelly ashy fine sandy loam, dry, 0 to 10 percent slopes

77 64—Umak paragravelly ashy fine sandy loam, low, 0 to 5 percent slopes

78 65—Unionpeak-Castlecrest complex, dry, 5 to 15 percent slope

79 66—Unionpeak-Castlecrest-Llaorock complex, 15 to 30 percent slopes

80 67—Unionpeak-Castlecrest-Sunnotch complex, 0 to 15 percent slopes

81 68—Water

82 Use and Management of the Soils

83 Interpretive Ratings

84 Ecological Sites

85 Vegetation

86 Vegetation – Alpine Meadows with Intermingled Forests

87 Vegetation – Wetlands with Intermingled Forests

88 Vegetation – Whitebark Pine

89 Vegetation – Mountain Hemlock

90 Vegetation – Shasta Red Fir

91 Vegetation – Ponderosa Pine/Fir

92 Vegetation – Lodgepole Pine

93 Douglas Fir

94 Rangeland

95 Rangeland – Plant Community Dynamics

96 Rangeland – Characteristics That Affect Management

97 Wildlife Habitat

98 Forest Productivity and Management

99 Recreation

100 Engineering

101 Building Site Development

102 Sanitary Facilities

103 Soil Properties

104 Soil Properties – Engineering Index Properties

105 Soil Properties – Physical Properties

106 Soil Properties – Chemical Properties

107 Soil Properties – Water Features

108 Soil Properties – Soil Features

109 Classification of the Soils

110 Classification of the Soils – Anniecreek Series

111 Classification of the Soils – Castlecrest Series

112 Classification of the Soils – Cleetwood Series

113 Classification of the Soils – Collier Series

114 Classification of the Soils – Donegan Series

115 Classification of the Soils – Dyarock Series

116 Classification of the Soils – Grousehill Series

117 Classification of the Soils – Lapine Series

118 Classification of the Soils – Llaorock Series

119 Classification of the Soils – Maklak Series

120 Classification of the Soils – Mariel Series

121 Classification of the Soils – Oatman Series

122 Classification of the Soils – Racing Series

123 Classification of the Soils – Redcone Series

124 Classification of the Soils – Steiger Series

125 Classification of the Soils – Stirfry Series

126 Classification of the Soils – Sunnotch Series

127 Classification of the Soils – Timbercrater Series

128 Classification of the Soils – Umak Series

129 Classification of the Soils – Unionpeak Series

130 Classification of the Soils – Wuksi Series

131 Formation of the Soils – Time

132 Formation of the Soils – Climate

133 Formation of the Soils – Parent Material

134 Formation of the Soils – Relief

135 Formation of the Soils – Living Organisms

136 References

137 Glossary

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