How many days in a row do you camp on average or what have been your longest and shortest trips?
48 hrs to one week

Do you purify your water and if so, how?
Boiling. I usually try to hike, camp, kayak <img src="/images/graemlins/smile.gif" alt="" /> close by the water. I have two Neglegen (SP) bottles that I keep around and they are full when I start my trek. When I'm done with one and there is a fire I will fill it up. If there is none I will use Aqua tabs from my psk. Exception to this rule is when I go ocean kayaking. I bring most of my water than.

Do you procure and prepare food and if so, how?
Mostly MREs, Dry hard crackers with jar of PB. I tried fishing and was able to catch some but I don't have a licence (no point of buying one for just few weekends so maybe next year) so I hate beaing just another poacher.

Do you dress appropriately for the weather or do you over or under dress?
Depends on the season. First of all everything is done in layers. In the winter time or when it's cold I will put extra stuff on which I can take off. But I don't overdue it to the point that sweat is trickling down my back. Summer is different since I sweat like crazy I try keeping everything light but I will throw rain jacket and fleece there just in case. I find that wrapping my feet in a fleece at night keeps me very comfortable.

Still can't do one knife only. I mean I can see it happening but I take my Wave and either SOG fixed blade or Microtech folder.
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Matt
http://brunerdog.tripod.com/survival/index.html