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Soil Survey of Crater Lake National Park, Oregon

Table of Contents

Complete Report (HTML)

Complete Report (PDF)

Soil Survey Maps (PDF)

Soil Survey Tables (PDF)

 

Cover

Introduction

How to Use This Soil Survey

Foreword

General Nature of the Survey Area

How This Survey Was Made

General Soil Map Units

I. Introduction

  1. Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice

  2. Lapine-Steiger (ponderosa pine/fir)

  3. Timbercrater-Llaorock-Castlecrest (mountain hemlock)

  4. Timbercrater-Castlecrest-Llaorock (Shasta red fir) Soils That Are in Valleys and Formed in Ash and Pumice Flow Deposits of Ash, Pumice, and Cinders

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

  6. Castlecrest-Umak (mountain hemlock with lodgepole pine)

  7. Unionpeak-Castlecrest (mountain hemlock)

  8. Castlecrest (Shasta red fir) Soils That Are on Uplands and Formed in Airfall-Deposited Ash and Pumice Over Glacial Deposits

  9. Lapine-Oatman

  10. Grousehill Soils on Cinder Cones

  11. Redcone-Cinder land Soils on Alpine Meadows With Intermingled Forests

  12. Cleetwood-Llaorock-Dyarock Soils in Seeps and on Stream Terraces

  13. Stirfry-Mariel-Anniecreek

Detailed Soil Map Units

I. Introduction

  1. Anniecreek-Stirfry-Riverwash complex, 0 to 2 percent slopes

  2. Badland, 50 to 100 percent slopes

  3. Badland-Stirfry complex, 0 to 70 percent slopes

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

  5. Castlecrest ashy loamy sand, dry, 0 to 15 percent slopes

  6. Castlecrest ashy loamy sand, low, 0 to 7 percent slopes

  7. Castlecrest gravelly ashy loamy sand, high elevation, 5 to 45 percent slopes

  8. Castlecrest-Badland complex, 60 to 100 percent slopes

  9. Castlecrest-Llaorock complex, 2 to 25 percent slopes

  10. Castlecrest-Sunnotch complex, 5 to 45 percent slopes

  11. Cleetwood gravelly ashy loamy coarse sand, depressional, 0 to 7 percent slopes

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

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

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

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

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

  17. Collier ashy loamy sand, 0 to 7 percent slopes

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

  19. Collier very gravelly ashy loamy sand, low, 0 to 7 percent slopes

  20. Collier-Badland complex, 60 to 100 percent slopes

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

  22. Grousehill gravelly medial loam, 0 to 25 percent slopes

  23. Grousehill-Llaorock complex, 5 to 35 percent slopes

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

  25. Grousehill-Racing complex, 0 to 5 percent slopes

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

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

  28. Lapine-Oatman complex, 5 to 30 percent slopes

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

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

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

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

  33. Lava flows, 0 to 15 percent slopes

  34. Llaorock-Castlecrest complex, 0 to 15 percent slopes

  35. Llaorock-Castlecrest complex, 15 to 30 percent slopes

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

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

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

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

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

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

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

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

  44. Mariel-Stirfry complex, 0 to 3 percent slopes

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

  46. Redcone-Rock outcrop complex, 30 to 60 percent north slopes

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

  48. Stirfry mucky peat, 0 to 7 percent slopes

  49. Stirfry-Grousehill complex, 0 to 10 percent slopes

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

  51. Sunnotch-Unionpeak complex, 15 to 35 percent slopes

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

  53. Timbercrater-Castlecrest complex, 0 to 10 percent slopes

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

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

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

  57. Timbercrater-Llaorock complex, 10 to 30 percent north slopes

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

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

  60. Timbercrater-Llaorock-Castlecrest complex, 30 to 60 percent slopes

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

  62. Umak paragravelly ashy fine sandy loam, 0 to 7 percent slopes

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

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

  65. Unionpeak-Castlecrest complex, dry, 5 to 15 percent slopes

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

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

  68. Water

Use and Management of the Soils

I. Introduction

Soil Properties

I. Introduction

Classification of the Soils

I. Introduction

Formation of the Soils

References

Glossary

Tables

 

 

 

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