Minnesota. Department of Natural ResourcesThis coverage provides information for all three levels of the Ecological Classification System (ECS): Provinces, Sections, and Subsections. The boundaries of the polygons of this coverage were derived from Land Type Association (LTA) delineations that were compiled from a visual/interpretive process using Topography, Wetlands, Surficial Geology, Soils, Landsat Imagery and Climatic conditions.This dataset can be used for a variety of planning activities and education.The ECS polygons were delineated during part of the process of identifying Land Type Associations in 1997-1998 and are a refinement of the original ECSFilesgeos-ecological-class-systemengPublicEcological Sections [Minnesota]DatasetsMinnesotaMinnesota Geospatial Commons