All public logs

Combined display of all available logs of WebRef.org. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 09:43, 2 December 2020 Webref talk contribs created page Black chalk (Created page with "A bluish-black carbonaceous clay, shale, or slate, used as a pigment or crayon. <I>AGI </I> Source: Dictionary of Mining, Mineral, and Related Terms")