Simplify the following text for a Grade 11 native English-speaking person.
Original: Hutton subsequently read an abstract of his dissertation Concerning the System of the Earth , its Duration and Stability to Society meeting on 4 July 1785 , which he had printed and circulated privately .
Simplified: Hutton later read an abstract of his Concerning the system of the Earth , its duration and stability on 4 July 1785 , which he had printed and circulated privately .