lbcs land basedclassificationstandards examples of classification and coding schemescollected for the project site level exampleland based standards eagle point software graphic database structure color codes system description details scale source contact agency organization local affairs inc smallest taxanomic unit no levels exhaustive or unique type scheme base classes 11 primary data varies sharing with all government population 0 area not applicable year implemented 1997 application gis detail references dubuque iowa lt green zoning agricultural red commercial low intensity grey industrial cyan institutional parks open space yellow residential high density medium violet class a other b boundary designation annotation proposed existing use agriculture