The following maps are available in AutoCad 2018 dwg format:
(Note: this is the base for all other maps. You will need to download this file and re-direct the xref path for each of the following files to the location where you place this file on your computer. This file is about 5.1 Mb in size and will take some time to download depending on the speed of your Internet connection.)
If you have questions, please contact Daniel Wolfe.