Notes on the coal field of Pictou

by Poole, Henry S. (1844-1917).
Published 1860

<<The>> Barytes deposits of Lake Ainslie and North Cheticamp, N.S. with notes on the production, manufacture and uses of Barytes in Canada /

by Poole, Henry S.
Published 1907

The barytes deposits of Lake Ainslie and North Cheticamp, N.S. : with notes on the production, manufacture and uses of barytes in Canada with notes on the production, manufacture a...

by Poole, Henry S.
Published 1907