Home › Authors › Conference on the Origin and Constitution of Coal (2nd 1952 Crystal Cliffs, N.S.) 👤 Conference on the Origin and Constitution of Coal (2nd 1952 Crystal Cliffs, N.S.) 1 book Books by Conference on the Origin and Constitution of Coal (2nd 1952 Crystal Cliffs, N.S.) Second conference on the origi Second conference on the origin and constitution of coal, sponsored by Nova Scotia Department of Mines [and] Nova Scotia Research Foundation, June 18-20, 1952, Crystal Cliffs, Nova Scotia 1952