:: Alphabetic list: O Alexandria Digital Library Feature Type Thesaurus

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O: 35 terms

oases
oblasts USE political areas
observation points USE viewing locations
observation sites USE research areas
observatories USE research facilities
observatorios USE research facilities
ocean currents
ocean floor features USE seafloor features
ocean regions
ocean trenches
oceans
offices USE buildings
offshore areas USE coastal zones
offshore platforms
oil camps USE camps
oil fields
oil palm plantations USE agricultural sites
oil pipeline junctions USE pipelines
oil pipeline terminals USE pipelines
oil pipelines USE pipelines
oil platforms USE offshore platforms
oil pumping stations USE pipelines
oil refineries USE industrial sites
oil wells USE wells
oilfields USE oil fields
olive groves USE woods
olive oil mills USE industrial sites
open pit mines USE mine sites
opera houses USE performance sites
orchards USE agricultural sites
ore treatment plants USE industrial sites
orphanages USE residential sites
overfalls USE hydrographic features
overpasses USE bridges
oxbow lakes USE lakes