Ice harvesting, 1869.

One of the advantages of writing a book about something you already know something about is that you often know exactly what you’re looking for when you surf the Internet. Rather than just save this particular page for my own purposes, this is cool enough (no pun intended) that I thought I’d share:

Click on the blue link for a better view.

Jonathan Rees

Professor of History, Colorado State University - Pueblo.

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