Agroecoregion : Swelling Clay Lake Sediments
Agroecoregion Characteristics		Area (ac)*	Percentage
Major Watersheds	Tamarac River	204,617	23.3
	Snake River	110,698	12.6
	Grand Marais Creek	100,482	11.5
	Red River of the North	98,817	11.3
	Sandhill River	96,392	11.0
	Marsh River	93,781	10.7
	Two Rivers	69,158	7.9
	Wild Rice River	48,116	5.5
	Mustinka River	22,245	2.5
	Red Lake River	16,640	1.9
	Buffalo River	12,449	1.4
	Bois De Sioux River	3,238	0.4
	Otter Tail River	1,181	0.1
Counties	Kittson	219,000	25.0
	Polk	188,876	21.5
	Marshall	178,922	20.4
	Norman	135,554	15.4
	Clay	100,275	11.4
	Wilkin	32,942	3.8
	Traverse	22,245	2.5
Slope Steepness	0-2 %	877,673	100.0
	2-6 %	82	0.0
	6-12 %	57	0.0
	Water	3	0.0
Internal Drainage	Poorly Drained	818,551	93.3
	Poor Improved by Tiling	57,941	6.6
	Well Drained	1,319	0.2
	Water	3	0.0
Proximity	Land Locked	590,500	67.3
	Drainage Ditches	161,259	18.4
	Intermittent River	69,434	7.9
	Permanent River	55,886	6.4
	Lake Shoreline	731	0.1
	Water	3	0.0
Geomorphology	001 - Agassiz Lacustrine Plain, Red River Valley Area	876,344	99.8
	051 - Big Stone Moraine, Loamy	1,470	0.2
Precipitation	Between 18-20 inches	597,668	68.1
	Between 20-22 inches	276,904	31.5
	Between 22-24 inches	3,041	0.4
Growing Degree Days	1750-2000 Degree Days	160,590	18.3
	2000-2250 Degree Days	688,890	78.5
	2250-2500 Degree Days	18,300	2.1
	2500-2750 Degree Days	9,833	1.1
Water Erosion	High	20,644	2.4
	Moderate	857,169	97.7
Wind Erosion Group	Very Severe	59	0.0
	Severe	825,202	94.0
	High	5,748	0.7
	Moderate	46,804	5.3
* Expressed as acres or percent for the agroecoregion area

Last Updated on 3/4/00