Readers Guide
Refer to page 21 of Lighthouses Short and Tall for Spectacle Reef Lighthouse
Why would this lighthouse have taken five years to build?
On the Great Lakes lighthouses closed down for the winter once the lakes were too frozen to permit navigation. Keepers
would go home for the winter and return when navigation resumed.
How would the keepers cut a passage through solid ice?
Lighthouses were built to aid ships in navigating their routes. What important commodity were cargo ships on Lake Huron
carrying? Google Mesabi Range and iron ore.
