On Sat, 3 Apr 2004 18:52:25 -0600, Tony wrote:
I'm planning to have a lawn sprinkler installed. Overall property size is
1/3 acre, less house and driveway.

See if your library has: http://www.taunton.com/store/pages/070327.asp --
it'll help you "speak the language" (and do it yourself, if you care to.