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[Subject: Geology, Meteorology, Hydrology]
- A rock composed of angular fragments
Translated by: ROBERT GRIGOR BAXTER
Translated in 12 languages
[Subject: Mineralogy]
Translated by: GUEST USER
Translated in 10 languages
Translated in 6 languages
[Subject: General Geography Travel]
[Subject: Generalities]
Translated in 2 languages
Translated in 1 languages