https://vocabularyserver.com/adl Alexandria Digital Library Feature Type Thesaurus University of California, Santa Barbara places, geographical University of California, Santa Barbara 2002-06-03 en 2007-11-20 13:02:17 dam sites 2007-11-20 13:02:17 dams spillways sub-surface dams weirs https://vocabularyserver.com/adlxml.php?skosTema=529https://vocabularyserver.com/adlxml.php?skosTema=621