This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionKarta över andel talare av älvdalska i Älvdalens socken.svg
Svenska: Karta över byar i Älvdalens socken och hur hög andel av befolkningen som talar älvdalska i varje by. Baserat på data från:
Larsson, Gösta; Welin, Bengt & Welin, Ulla (2008), ”Hur många talar älvdalska idag?”, Föredrag vid Oðer råðstemną um övdalskų [Andra konferensen om älvdalska]
English: Maps of settlements in Älvdalen parish, Sweden, and the percentage of the population speaking Övdalian. Based on data from:
Larsson, Gösta; Welin, Bengt & Welin, Ulla (2008), ”Hur många talar älvdalska idag?” [How many speak Övdalian today?], Talk at Oðer råðstemną um övdalskų [Second conference on Övdalian]
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.