Soil Survey of Sweet Grass County Area, Montana - Soil Data Mart

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Sweet Grass County Area, Montana—Part I 15 Freeze Dates in Spring and Fall (Recorded in the period 1971 through 2000 at Big Timber and Melville) _________________________________________________________________________ | | Temperature |____________________________________________ Probability | | | | 24 Degrees F | 28 Degrees F | 32 Degrees F | or Lower | or Lower | or Lower _________________________________________________________________________ | | | | | | BIG TIMBER: | | | | | | Last freezing temperature | | | in spring: January-July | | | | | | 1 year in 10 later than-----| May 3 | May 18 | May 30 | | | 2 years in 10 later than----| April 28 | May 13 | May 26 | | | 5 years in 10 later than----| April 19 | May 3 | May 17 | | | First freezing temperature | | | in fall: August-December | | | | | | 1 year in 10 earlier than---| September 23 | September 17 | September 4 | | | 2 years in 10 earlier than--| September 28 | September 21 | September 9 | | | 5 years in 10 earlier than--| October 9 | September 29 | September 18 | | | | | | MELVILLE: | | | | | | Last freezing temperature | | | in spring: January-July | | | | | | 1 year in 10 later than-----| May 20 | June 3 | June 29 | | | 2 years in 10 later than----| May 14 | May 30 | June 22 | | | 5 years in 10 later than----| May 5 | May 21 | June 10 | | | First freezing temperature | | | in fall: August-December | | | | | | 1 year in 10 earlier than---| September 15 | September 5 | August 24 | | | 2 years in 10 earlier than--| September 19 | September 9 | August 29 | | | 5 years in 10 earlier than--| September 28 | September 18 | September 8 | | | ______________________________________________________________________________
16 Growing Season (Recorded in the period 1971 through 2000 at Big Timber and Melville) ________________________________________________________________________ | | Daily Minimum Temperature |____________________________________________ Probability | | | | Higher Than | Higher Than | Higher Than | 24 Degrees F | 28 Degrees F | 32 Degrees F ________________________________________________________________________ | | | | Days | Days | Days | | | BIG TIMBER: | | | | | | 9 years in 10-------------| 148 | 127 | 103 | | | 8 years in 10-------------| 156 | 134 | 110 | | | 5 years in 10-------------| 171 | 148 | 123 | | | 2 years in 10-------------| 187 | 161 | 136 | | | 1 year in 10--------------| 195 | 168 | 143 | | | | | | MELVILLE: | | | | | | 9 years in 10-------------| 126 | 101 | 64 | | | 8 years in 10-------------| 133 | 107 | 73 | | | 5 years in 10-------------| 145 | 118 | 88 | | | 2 years in 10-------------| 157 | 130 | 104 | | | 1 year in 10--------------| 163 | 136 | 113 | | | ________________________________________________________________________
Page 3 and 4: How to Use This Soil Survey Detaile
Page 5 and 6: iii Contents Part I How To Use This
Page 7 and 8: v Winkler Series...................
Page 9 and 10: vii 184D—Absarokee-Shambo loams,
Page 11 and 12: ix 274C—Work clay loam, 4 to 8 pe
Page 13 and 14: xi 371E—Whitlash cobbly sandy loa
Page 15 and 16: xiii 448B—Attewan loam, 0 to 4 pe
Page 17 and 18: xv 424E—Bridger, very stony-Adel
Page 19 and 20: xvii 359F—Fifer-Cheadle-Monaberg
Page 21 and 22: xix 369E—Rentsac-Tanna complex, 1
Page 23 and 24: xxi M-W—Water, miscellaneous ....
Page 25 and 26: xxv Foreword This soil survey conta
Page 27 and 28: 2 Soil Survey The Lewis and Clark E
Page 29 and 30: 4 Soil Survey 10,000 and 11,500 fee
Page 31 and 32: 6 Soil Survey subsurface folding in
Page 33 and 34: 8 Soil Survey interbeds. It is over
Page 35 and 36: 10 Soil Survey Creek, approximately
Page 37 and 38: 12 Soil Survey disappears during mi
Page 39: 14 Soil Survey Temperature and Prec
Page 43 and 44: 18 Soil Survey these organisms die,
Page 45 and 46: 20 Soil Survey great group is ident
Page 47 and 48: 22 Soil Survey firm, very sticky, v
Page 49 and 50: 24 Soil Survey few very fine and fi
Page 51 and 52: 26 Soil Survey moderate fine granul
Page 53 and 54: 28 Soil Survey very friable, slight
Page 55 and 56: 30 Soil Survey Range in Characteris
Page 57 and 58: 32 Soil Survey Depth to the Cr hori
Page 59 and 60: 34 Soil Survey Chroma: 2 to 4 Textu
Page 61 and 62: 36 Soil Survey Texture (less than 2
Page 63 and 64: 38 Soil Survey Clay content: 40 to
Page 65 and 66: 40 Soil Survey Taxonomic Class: Fin
Page 67 and 68: 42 Soil Survey Chroma: 1 or 2 Redox
Page 69 and 70: 44 Soil Survey Chroma: 2 or 3 Textu
Page 73 and 74: 48 Soil Survey Typical Pedon Cambet
Page 75 and 76: 50 Soil Survey flagstones; slightly
Page 77 and 78: 52 Soil Survey Cg2—30 to 34 inche
Page 79 and 80: 54 Soil Survey prismatic structure
Page 81 and 82: 56 Soil Survey Bt horizons Hue: 2.5
Page 85 and 86: 60 Soil Survey sec. 24, T. 4 N., R.
Page 87 and 88: 62 Soil Survey Oi—0 to 1 inch; sl
Page 89 and 90: 64 Soil Survey Reed Point topograph
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66 Soil Survey Bk3 horizon Hue: 7.5
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68 Soil Survey lining pores; 10 per
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70 Soil Survey slightly plastic; ma
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72 Soil Survey moderate coarse pris
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74 Soil Survey subangular blocky st
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76 Soil Survey moderate medium and
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78 Soil Survey Clay content: 30 to
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80 Soil Survey Bk1—12 to 19 inche
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82 Soil Survey Bw—11 to 19 inches
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84 Soil Survey Parent material: Cla
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86 Soil Survey brown (10YR 5/4) moi
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88 Soil Survey Chroma: 2 or 3 Textu
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90 Soil Survey A horizon Hue: 10YR
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92 Soil Survey Texture (less than 2
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94 Soil Survey Range in Characteris
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96 Soil Survey peds and lining pore
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98 Soil Survey slightly alkaline (p
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100 Soil Survey Calcium carbonate e
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102 Soil Survey Range in Characteri
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104 Soil Survey Landform: Fan and m
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106 Soil Survey Chroma: 2 or 3 Text
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108 Soil Survey Content of rock fra
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110 Soil Survey Cgk3—49 to 60 inc
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112 Soil Survey A2—7 to 13 inches
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114 Soil Survey medium subangular b
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116 Soil Survey very hard, firm, ve
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118 Soil Survey Reedwest Series Dep
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120 Soil Survey A—0 to 7 inches;
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122 Soil Survey Elevation range: 4,
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124 Soil Survey C horizon Hue: 10YR
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126 Soil Survey Texture (less than
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130 Soil Survey Mean annual air tem
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132 Soil Survey Typical Pedon Soapc
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136 Soil Survey moderately sticky,
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138 Soil Survey Bt2 horizon Hue: 7.
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140 Soil Survey A horizon Hue: 10YR
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142 Soil Survey Tibson Series Depth
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144 Soil Survey Oi—0 to 1 inch; s
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146 Soil Survey Bt1—5 to 11 inche
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148 Soil Survey Elevation range: 5,
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150 Soil Survey 2Bk—21 to 60 inch
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152 Soil Survey A—2 to 5 inches;
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154 Soil Survey Typical Pedon Weedz
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156 Soil Survey common fine to coar
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158 Soil Survey E1—4 to 12 inches
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160 Soil Survey Permeability: Moder
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162 Soil Survey Texture (less than
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173 Detailed Soil Map Units The map
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Sweet Grass County Area, Montana—
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327 References Alexander, R.R., 196
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329 Glossary Ablation till. Loose,
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Soil Survey of Sweet Grass County Area, Montana - Soil Data Mart

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