----------------------------Original message---------------------------- Hello All, I received an ad today from a place called Chalk Butte Inc. Digital Maps which enclosed part of a map titled Michigan Peninsula Digital Landforms. This map is 43.5" X 35". It was produced from USGS 3 Arc Second Data. For information on the map, I suggest that you contact the publisher at the address below: Chalk Butte Inc. Digital Maps 137 Steele Lane Boulder, WY 82923 Linda Zellmer University of Wyoming