Bible Dictionaries
Longmynd Rocks

Webster's Dictionary

The sparingly fossiliferous conglomerates, grits, schists, and states of Great Britain, which lie at the base of the Cambrian system; - so called, because typically developed in the Longmynd Hills, Shropshire.

Bibliography Information
Webster, Noah. Entry for 'Longmynd Rocks'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/longmynd-rocks.html. 1828.