Landform Extent Table (LET)




This table identifies the predominant landforms found within each SLC polygon, and the percentage of the polygon occupied by each landform.


Contents of dataset: slc_v3r2_canada_let
Field Name Type Width Description
1 LF_ID string 9 Landform Identifier
2 POLY_ID integer 7 SLC Polygon Identifier
3 LF_TYPE string 1 Landform Type Class
4 LF_SLOPE string 1 Landform Slope Class
5 LF_EXTENT integer 3 Landform Percent of Polygon


  • A record in this file is often unique with respect to LF_ID. Duplicate LF_ID values are an artifact of the database construction that will be addressed in future versions of this table.