Soil Survey of Crater Lake National Park, Oregon

Soil Survey of Crater Lake National Park, Oregon

Table of Contents

Complete Report (PDF)

Soil Survey Maps (PDF)

Soil Survey Tables (PDF)

  1. 01 Cover
  2. 02 Introduction
  3. 03 How to Use This Soil Survey
  4. 04 Foreword
  5. 05 General Nature of the Survey Area
  6. 06 How This Survey Was Made
  7. 06 General Soil Map Units Introduction
  8. 07 Lapine-Steiger (ponderosa pine/fir)
  9. 08 2. Timbercrater-Llaorock-Castlecrest (mountain hemlock)
  10. 09 3. Timbercrater-Castlecrest-Llaorock (Shasta red fir)
  11. 10 4. Maklak-Collier (ponderosa pine/fir with lodgepole pine)
  12. 11 4. Maklak-Collier (ponderosa pine/fir with lodgepole pine)
  13. 12 Soils That Are in Valleys and Formed in Ash and Pumice Flow Deposits of Ash, Pumice, and Cinders
  14. 13 4. Soils That Are in Valleys and Formed in Ash and Pumice Flow Deposits of Ash, Pumice, and Cinders
  15. 14 5. Castlecrest-Umak (mountain hemlock with lodgepole pine)
  16. 15 6. Unionpeak-Castlecrest (mountain hemlock)
  17. 16 Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice Over Glacial Deposits
  18. 17 Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice Over Glacial Deposits
  19. 18 Soils on Alpine Meadows With Intermingled Forests
  20. 19 Soils in Seeps and on Stream Terraces
  21. 20 4—Castlecrest gravelly ashy sandy loam, 2 to 10 percent slopes
  22. 21 8—Castlecrest-Badland complex, 60 to 100 percent slopes
  23. 22 9—Castlecrest-Llaorock complex, 2 to 25 percent slopes
  24. 23 10—Castlecrest-Sunnotch complex, 5 to 45 percent slopes
  25. 24 11—Cleetwood very gravelly ashy loamy coarse sand, depressional, 0 to 7 percent slopes
  26. 25 12—Cleetwood-Castlecrest complex, dry, 10 to 30 percent slopes
  27. 26 13—Cleetwood-Castlecrest-Llaorock complex, 5 to 30 percent slopes
  28. 27 14—Cleetwood, thin surface-Cleetwood-Dyarock complex, 2 to 20 percent slopes
  29. 28 15—Cleetwood, thin surface-Llaorock-Cleetwood complex, 5 to 30 percent slopes
  30. 29 16—Cleetwood-Sunnotch-Castlecrest complex, high elevation, 15 to 30 percent slopes
  31. 30 17—Collier ashy loamy sand, 0 to 7 percent slopes
  32. 31 18—Collier ashy loamy sand, dry, 0 to 10 percent slopes
  33. 32 19—Collier very gravelly ashy loamy sand, low, 0 to 7 percent slop
  34. 33 20—Collier-Badland complex, 60 to 100 percent slopes
  35. 34 21—Donegan very gravelly ashy sandy loam, 30 to 65 percent south slopes
  36. 35 22—Grousehill gravelly medial loam, 0 to 25 percent slopes
  37. 36 23—Grousehill-Llaorock complex, 5 to 35 percent slopes
  38. 37 24—Grousehill-Llaorock complex, dry, 0 to 30 percent slopes
  39. 38 25—Grousehill-Racing complex, 0 to 5 percent slopes
  40. 39 26—Lapine paragravelly ashy loamy coarse sand, 10 to 35 percent south slopes
  41. 40 27—Lapine paragravelly ashy loamy coarse sand, 35 to 55 percent south slopes
  42. 41 28—Lapine-Oatman complex, 5 to 30 percent slopes
  43. 42 29—Lapine-Oatman complex, 30 to 60 percent south slopes
  44. 43 30—Lapine-Rock outcrop-Wuksi complex, 30 to 70 percent south slopes
  45. 44 31—Lapine-Steiger-Wuksi complex, high elevation, 2 to 25 percent slopes
  46. 45 32—Lapine-Wuksi-Rock outcrop complex, 30 to 70 percent north slopes
  47. 46 33—Lava flows, 0 to 15 percent slopes
  48. 47 34—Llaorock-Castlecrest complex, 0 to 15 percent slopes
  49. 48 35—Llaorock-Castlecrest complex, 15 to 30 percent slopes
  50. 49 36—Llaorock-Castlecrest-Rock outcrop complex, 30 to 60 percent north slopes
  51. 50 37—Llaorock-Castlecrest-Rock outcrop complex, 30 to 60 percent south slopes
  52. 51 38—Llaorock-Rubble land-Rock outcrop complex, 60 to 90 percent north slopes
  53. 52 39—Llaorock-Rubble land-Rock outcrop complex, 60 to 90 percent south slopes
  54. 53 40—Llaorock-Timbercrater-Rubble land complex, dry, 60 to 90 percent south slopes
  55. 54 41—Maklak paragravelly ashy loamy sand, 0 to 10 percent slopes
  56. 55 42—Maklak paragravelly ashy loamy sand, low, 0 to 10 percent slopes
  57. 56 43—Maklak paragravelly ashy loamy sand, high precipitation, 0 to 10 percent slopes
  58. 57 44—Mariel-Stirfry complex, 0 to 3 percent slopes
  59. 58 45—Redcone-Cinder land complex, 30 to 60 percent south slopes
  60. 59 46—Redcone-Rock outcrop complex, 30 to 60 percent north slop
  61. 60 47—Rock outcrop-Rubble land complex, 60 to 90 percent slopes
  62. 61 48—Stirfry mucky peat, 0 to 7 percent slopes
  63. 62 49—Stirfry-Grousehill complex, 0 to 10 percent slopes
  64. 63 50—Sunnotch gravelly ashy sandy loam, dry, 0 to 35 percent slopes
  65. 64 51—Sunnotch-Unionpeak complex, 15 to 35 percent slopes
  66. 65 52—Timbercrater paragravelly ashy loamy sand, dry, 25 to 60 percent north slopes
  67. 66 53—Timbercrater-Castlecrest complex, 0 to 10 percent slopes
  68. 67 54—Timbercrater-Castlecrest complex, dry, 2 to 15 percent slopes
  69. 68 55—Timbercrater-Castlecrest complex, dry, 15 to 30 percent south slopes
  70. 69 56—Timbercrater-Castlecrest-Llaorock complex, 10 to 30 percent south slopes
  71. 70 57—Timbercrater-Llaorock complex, 10 to 30 percent north slop
  72. 71 58—Timbercrater-Llaorock complex, dry, 30 to 60 percent south slopes
  73. 72 59—Timbercrater-Llaorock complex, high elevation, 30 to 80 percent slopes
  74. 73 60—Timbercrater-Llaorock-Castlecrest complex, 30 to 60 percent slopes
  75. 74 61—Timbercrater-Sunnotch-Castlecrest complex, 0 to 10 percent slopes
  76. 75 62—Umak paragravelly ashy fine sandy loam, 0 to 7 percent slope
  77. 76 63—Umak paragravelly ashy fine sandy loam, dry, 0 to 10 percent slopes
  78. 77 64—Umak paragravelly ashy fine sandy loam, low, 0 to 5 percent slopes
  79. 78 65—Unionpeak-Castlecrest complex, dry, 5 to 15 percent slope
  80. 79 66—Unionpeak-Castlecrest-Llaorock complex, 15 to 30 percent slopes
  81. 80 67—Unionpeak-Castlecrest-Sunnotch complex, 0 to 15 percent slopes
  82. 81 68—Water
  83. 82 Use and Management of the Soils
  84. 83 Interpretive Ratings
  85. 84 Ecological Sites
  86. 85 Vegetation
  87. 86 Vegetation – Alpine Meadows with Intermingled Forests
  88. 87 Vegetation – Wetlands with Intermingled Forests
  89. 88 Vegetation – Whitebark Pine
  90. 89 Vegetation – Mountain Hemlock
  91. 90 Vegetation – Shasta Red Fir
  92. 91 Vegetation – Ponderosa Pine/Fir
  93. 92 Vegetation – Lodgepole Pine
  94. 93 Douglas Fir
  95. 94 Rangeland
  96. 95 Rangeland – Plant Community Dynamics
  97. 96 Rangeland – Characteristics That Affect Management
  98. 97 Wildlife Habitat
  99. 98 Forest Productivity and Management
  100. 99 Recreation
  101. 100 Engineering
  102. 101 Building Site Development
  103. 102 Sanitary Facilities
  104. 103 Soil Properties
  105. 104 Soil Properties – Engineering Index Properties
  106. 105 Soil Properties – Physical Properties
  107. 106 Soil Properties – Chemical Properties
  108. 107 Soil Properties – Water Features
  109. 108 Soil Properties – Soil Features
  110. 109 Classification of the Soils
  111. 110 Classification of the Soils – Anniecreek Series
  112. 111 Classification of the Soils – Castlecrest Series
  113. 112 Classification of the Soils – Cleetwood Series
  114. 113 Classification of the Soils – Collier Series
  115. 114 Classification of the Soils – Donegan Series
  116. 115 Classification of the Soils – Dyarock Series
  117. 116 Classification of the Soils – Grousehill Series
  118. 117 Classification of the Soils – Lapine Series
  119. 118 Classification of the Soils – Llaorock Series
  120. 119 Classification of the Soils – Maklak Series
  121. 120 Classification of the Soils – Mariel Series
  122. 121 Classification of the Soils – Oatman Series
  123. 122 Classification of the Soils – Racing Series
  124. 123 Classification of the Soils – Redcone Series
  125. 124 Classification of the Soils – Steiger Series
  126. 125 Classification of the Soils – Stirfry Series
  127. 126 Classification of the Soils – Sunnotch Series
  128. 127 Classification of the Soils – Timbercrater Series
  129. 128 Classification of the Soils – Umak Series
  130. 129 Classification of the Soils – Unionpeak Series
  131. 130 Classification of the Soils – Wuksi Series
  132. 131 Formation of the Soils – Time
  133. 132 Formation of the Soils – Climate
  134. 133 Formation of the Soils – Parent Material
  135. 134 Formation of the Soils – Relief
  136. 135 Formation of the Soils – Living Organisms
  137. 136 References
  138. 137 Glossary

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