Spatial Data Organization Information 4. Spatial Reference Information 5. Entity and Attribute Information 6. Distribution Information 7. Attribute restructuring in March 1996.
All polygons are closed and lines intersect where intended.
Completeness All 1 by 2 degree blocks that fall entirely or partially within the state Minnesota are included. This layer was derived directly from the 100k quadrangle index data set. Developers dissolved out lines between constituent 100k quadrangle outlines into 2 by 1 degree blocks. Quadrangle names were assigned in a separate operation.