I have posted two JPEG images that illustrate what I described in my last e-mail. The first shows the northern part of Lincoln County from the TDOT map of Lincoln County: http://www.gscassociates.com/images/TDOT_CR.jpg The second shows a part of the same area on a topographic map on topozone: http://www.gscassociates.com/images/topozone_CR.jpg Steve