There’s a whole section on the redwood forest in California from National Geographic.

Check it out: http://ngm.nationalgeographic.com/2009/10/redwoods/bourne-text 

Here’s a reprint of an 1899 article on the redwoods. http://ngm.nationalgeographic.com/1899/05/redwood-archive/gannett-text

Here’s a link to the July 1964 article of NatGeo when they discovered a couple of the tallest trees in the world (367 ft):

http://ngm.nationalgeographic.com/1964/07/redwood-archive/grosvenor-text/1