David Kelley who gave us an awesome interactive map of state highpoints which lets you zoom into the USGS map has now done it again with county highpoints. That’s an incredible amount of work. You have to see it.
David Kelly’s Interactive Map of County Highpoints
Article on Andy Martin and County Highpointing
An article on mlive.com in Michigan reports on Andy Martin and his book County High Points about the highest points in all 3,141 counties. It also mentions peakbagger.com.