To: Mounted search and rescue <msar-riders@lists.ibiblio.org>
Subject: Re: [MSAR] Maps and coordinates
Date: Wed, 13 Feb 2008 17:44:48 -0700
Maybe I should change "when it matters" to "when and where it matters".
Coordinate differences due to datum differences depend on which datums
are involved, and on the coordinate system in use. I'll try to find
a map that illustrates how the difference varies across North America.