CHAPTER VI.

Lake Superior -- Scenery -- Transparency of its waters --

Climate -- Isle Royale -- Apostles' Islands -- La Point --

Thunder Cape -- Cariboo Point -- A wonderful lake -- Romantic

scenery -- Pictured rocks -- Rock Castle -- The Grand Portal

-- The chapel -- Fluctuations in the waters of Lake Superior

-- Curious phenomena -- Retrocession of the waters -- Mirage

-- Iron mountains and mines -- Description of -- Products --

Shipments -- Copper -- Immense boulders -- Produce of the

mines for 1857 -- Shipment of copper from the Lake for 1858

-- Centre of the mining country -- Iron mountains -- Copper

mines of Great Britain -- Coal -- Mackinaw a great

manufacturing point -- Key to the Upper Lakes -- Commerce of

lakes -- Growth of cities. 105

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