Within search
Date decades ssim:1970-1979
Desc metadata language label sim:English$http://id.loc.gov/vocabulary/iso639-2/eng and English$http://id.loc.gov/vocabulary/iso639-2/eng
Desc metadata lcsubject label sim:Renewable energy sources$http://id.loc.gov/authorities/subjects/sh85112837 and Fisheries$http://id.loc.gov/authorities/subjects/sh85048666 and Irrigation projects$http://id.loc.gov/authorities/subjects/sh96001747
Desc metadata rights label sim:Public Domain Mark 1.0$http://creativecommons.org/publicdomain/mark/1.0/