Water Procurement

The Ranger Digest: Finding, Filtering, and Purifying Water
Describes how to locate water and how to filter and purify it. Includes photos.
http://www.therangerdigest.com/Tips%20Tricks/22%20fil%20and%20pur%20water/22%20fil%20and%20pur%20water.htm

Transpiration: How would You Get a Drink from a Tree?
Explains a technique for obtaining water from a tree.
http://www.edibleplants.com/month/transpir.htm

Wilderness Manuals - Water Procurement
Describes how to find, purify and store water. Features illustrations and links to related topics.
http://www.wildernessmanuals.com/manual_6/chpt_7/2.html