Sentence:  There have been found certain "Cements" under "Earth", that are very ſoft, and yet taken forth into the Sun, harden as hard as Marble: There are alſo ordinary <WSD>Quarries</WSD> in "Sommerſet-shire", which in the <WSD>Quarry</WSD> cut ſoft to any bigneſs, and in the Building prove firm, and hard. 
Meaning of the word marked with <WSD> tags:  A site for mining stone, limestone, or slate.