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Date decades ssim:1970-1979
Desc metadata language label sim:English$http://id.loc.gov/vocabulary/iso639-2/eng
Desc metadata lcsubject label sim:Renewable energy sources$http://id.loc.gov/authorities/subjects/sh85112837 and Water-power$http://id.loc.gov/authorities/subjects/sh85145596 and Maps$http://id.loc.gov/authorities/subjects/sh85080858
Desc metadata rights label sim:Public Domain Mark 1.0$http://creativecommons.org/publicdomain/mark/1.0/ and Public Domain Mark 1.0$http://creativecommons.org/publicdomain/mark/1.0/