-
625.
Turquoise
Subjects
Precious stones
-
626.
Typhoons
Subjects
Cyclons
-
627.
Ultrabasic rocks
Subjects
Igneous rocks
-
628.
Underwater acoustics
Subjects
Acoustics
-
629.
Underwater exploration
Subjects
Oceanography
-
630.
Upper atmosphere
Subjects
Atmosphere
-
631.
Uranium ores
Subjects
Minerals
-
632.
Urban climatology
Subjects
Climatology
-
633.
Urban geology
Subjects
Geology
-
634.
Urban hydrology
Subjects
Cities and townsWater resources developmentCity planning
-
635.
Volcanic activity prediction
Subjects
Volcanology
-
636.
Volcanic ash
Subjects
Igneous rocks
-
637.
Volcanic eruptions
Subjects
Catastrophes (Geology)VolcanoesVolcanism
-
638.
Volcanic rocks
Subjects
Igneous rocks
-
639.
Volcanic soils
Subjects
Soils
-
640.
Volcanism
Subjects
Geodynamics
-
641.
Volcanoes
Subjects
GeodynamicsPhysical geographyLandforms
-
642.
Volcanology
Subjects
Geology
-
643.
Water
Subjects
Life (Biology)
-
644.
Water in art
Subjects
Themes in art
-
645.
Water resources development
Subjects
Natural resources
-
646.
Waterfalls
Subjects
Rivers
-
647.
Waterfronts
Subjects
City planning
-
648.
Watersheds
Subjects
Landforms
Last updated dated: 28/06/2025