This is what I used for mine:

http://www.acme.com/planimeter/

You can use this site to plot your spot for your pond, watershed acreage, etc. I am leaving school here in a sec (teacher not student), but I am on this site constantly. I will be able to answer more questions tomorrow if somebody else hasn't already.

Last edited by ezylman; 06/18/08 04:06 PM.
Water dries, rocks crumble, and trees die. The only thing that is eternal is the reputation we leave behind.
- Ancient Viking Proverb