Forts of the American Frontier 1776-1891: California, Oregon, Washington and Alaska, Ron Field.

Forts of the American Frontier 1776-1891: California, Oregon, Washington and Alaska, Ron Field.

Covering a wide range of topics, including Native American forts, Russian and Spanish forts in the far reaches of their empires and US fortifications, and buildings that range from log forts all the way up to multi-storey casements armed with the latest 19th century artillery.
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