The Geographic Magnetic Calculator is a tool to help you determine UTM Coordinates and the Magnetic Declination that correspond to a longitude/latitude location.
See knots reference page.
Animated Search and Rescue Knots (by Grog) is a popular website on knots, covering categories on climbing, fishing, camping, boating and a host of other categories. Especially hand for the SAR member are the pages on Climbing, Scouting and Rescue Knots.
http://www.ready.gov exists to help businesses and private citizens prepare for natural disasters