Category:Columnar basalts, horizontally jointed

Media in category "Columnar basalts, horizontally jointed"

The following 2 files are in this category, out of 2 total.

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  Columbia River Basalt Group 1989.JPG 4,272 × 2,848; 5.88 MB
  
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  Encyclopædia britannica - or, A dictionary of arts, sciences, and miscellaneous literature - constructed on a plan, by which the different sciences and arts are digested into the form of distinct (14766266515b).jpg 1,920 × 1,200; 832 KB