This topic has been discussed here frequently. However, the goal posts are always moving as technology "advances".
I have a particular interest in it as my wife and I embark on an eight month journey volunteering at national and state parks next Spring. I came across this blog post that I found interesting that I think others might be interested in as well:
Tough crowd. I meant they were the authors of the blog and blog post about the book. The link is to the blog post, not the book. Geez. I'm wearing out on this forum. Going camping. Bye.
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John Audette
Air Cooled Porsche Specialist -
Two roads diverged in a wood, and I took the one less traveled. ~ Robert Frost
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