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 Data Theme

A data theme is a collection of geographic data published for one or more geographic areas (mapsheets in CUGIR). Most geographic datasets have accompanying attribute data in an attribute table. For example, the data theme Agricultural Districts includes 53 data files, one for each of the counties for which digital agriculture district data are available. Themes are assigned to topic categories to facilitate browsing by topic. Themes are divided into current and older versions, when appropriate.