County : Marshall
County Characteristics Area (ac)* Percentage
       
Major Watersheds Snake River 465,163 40.0
  Thief River 381,710 32.9
  Tamarac River 247,730 21.3
  Grand Marais Creek 49,808 4.3
  Roseau River 10,050 0.9
  Two Rivers 7,398 0.6
  Red Lake River 30 0.0
       
Agroecoregions Somewhat Poorly Drained Lake Sediments 45,605 3.9
  Red Lakes Loams 4,211 0.4
  Peatlands 37,577 3.2
  Very Poorly Drained Lake Sediments 594,644 51.2
  Inter-Beach Sand Bars 300,859 25.9
  Swelling Clay Lake Sediments 178,994 15.4
       
Slope Steepness 0-2 % 1,060,506 91.3
  2-6 % 87,659 7.5
  Water 13,724 1.2
       
Drainage Poorly Drained 554,544 47.7
  Poor improved by tiling 444,575 38.3
  Well Drained 148,317 12.8
  Water 13,724 1.2
  No rating 729 0.1
       
Proximity Island Shoreline 1,670 0.1
  Lake Shoreline 21,740 1.9
  Permanent River 54,698 4.7
  Intermittent River 61,308 5.3
  Drainage Ditches 173,200 14.9
  Water 13,724 1.2
  Land Locked 835,549 71.9
       
Geomorphology Agassiz Lacustrine Plain, Red River Valley Area 821,123 70.7
  Agassiz Lacustrine Plain, Inter-Beach Area 253,374 21.8
  Agassiz Lacustrine Plain, Beltrami Island Area 45,605 3.9
  Agassiz Peatlands 37,577 3.2
  Agassiz Lacustrine Plain, Red Lake Area 4,211 0.4
       
Water Erosion Slight 172,273 14.8
  Moderate 946,134 81.4
  High 43,482 3.7
       
Wind Erosion Group Very Severe 366,669 31.6
  Severe 542,231 46.7
  High 154,252 13.3
  Moderate 83,772 7.2
  No Data 14,964 1.3
       
Precipitation Between 18-20 inches 658,529 56.7
  Between 20-22 inches 503,123 43.3
  No rating 237 0.0
       
Growing Degree Days 1500-1750 Degree Days 425,343 36.6
  1750-2000 Degree Days 549,785 47.3
  2000-2250 Degree Days 186,523 16.1
  No rating 237 0.0
       
* Expressed as acres or percent for the County area

Last Updated on 3/4/00