County : Polk
County Characteristics		Area (ac)*	Percentage
Major Watersheds	Grand Marais Creek	326,046	25.5
	Clearwater River	316,207	24.7
	Red Lake River	307,929	24.0
	Sandhill River	297,738	23.2
	Snake River	29,259	2.3
	Wild Rice River	2,399	0.2
	Marsh River	1,527	0.1
Agroecoregions	Steep Dryer Moraine	117,803	9.2
	Red Lakes Loams	30,885	2.4
	Very Poorly Drained Lake Sediments	427,456	33.4
	Inter-Beach Sand Bars	313,523	24.5
	Dryer Till	155,668	12.2
	Mahnomen Lake Sediments	46,818	3.7
	Swelling Clay Lake Sediments	188,952	14.8
Slope Steepness	0-2 %	905,150	70.7
	2-6 %	241,380	18.8
	6-12 %	80,167	6.3
	6-45 %	54,152	4.2
	Water	257	0.0
Drainage	Poorly Drained	578,777	45.2
	Well Drained	371,816	29.0
	Poor improved by tiling	320,207	25.0
	No rating	10,047	0.8
	Water	257	0.0
Proximity	Land Locked	862,278	67.3
	Drainage Ditches	168,500	13.2
	Intermittent River	133,138	10.4
	Permanent River	69,989	5.5
	Lake Shoreline	46,944	3.7
	Water	257	0.0
Geomorphology	Agassiz Lacustrine Plain, Red River Valley Area	709,212	55.4
	Agassiz Lacustrine Plain, Inter-Beach Area	220,720	17.2
	Fosston Till Plain, Loamy	155,668	12.2
	Erskine Moraine, Loamy	76,903	6.0
	Mahnomen Lacustrine Plain	46,818	3.7
	Alexandria Moraine Complex	40,423	3.2
	Agassiz Lacustrine Plain, Red Lake Area	30,885	2.4
	Bagley Outwash Plain, Sandy to Gravelly	477	0.0
Water Erosion	Slight	30,465	2.4
	Moderate	1,042,290	81.4
	High	49,131	3.8
	Severe	159,219	12.4
Wind Erosion Group	Very Severe	200,302	15.6
	Severe	603,196	47.1
	High	139,623	10.9
	Moderate	337,984	26.4
Precipitation	Between 18-20 inches	586,143	45.8
	Between 20-22 inches	313,368	24.5
	Between 22-24 inches	381,592	29.8
Growing Degree Days	1750-2000 Degree Days	563,781	44.0
	2500-2750 Degree Days	295,253	23.0
	2000-2250 Degree Days	222,860	17.4
	2250-2500 Degree Days	199,210	15.6
* Expressed as acres or percent for the County area

Last Updated on 3/4/00