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Yes, I can get the data in a shape file as well. I'll look into cgpsmapper. Mapwel seems to be out of buisness so I can't try that one.

When I contacted Global mapper, they told me their software could not produce the Garmin .img files? Did I get some wrong information from them?

I'm willing to pay for software that will do what I want.

Thanks for the reply. I'll give your method a try.

I'd like to create a couple different .img files. I'd like to be able to generate a Michigan public land map, Federal land in Michigan, commercial forest land in Michigan and HAP land in Michigan. I would also like to be able to choose a hunting area, and be able to generate a .img file of the state forest compartment map that shows forest types.

Unfortunately, most of the data (KML / KMZ) is quite large. Size seems to matter with most of the programs I have tried.

So far I have struck out on all fronts. I believe my file sizes are part of the problem, but also there does not seem to be a solution that is not multi step with multi conversions.

Mapwel sounds like an option, but it seems they are no longer in business. Multiple e-mails have gone unanswered, and I see their last update was 2017.

Thanks for the reply, you have given me a lot of information to look into, I appreciate it.
Some of it I have already investigated, with no good solution. I'll check out the rest and report back with my findings.

How do you make the Garmin .img maps?

Are there any software out there free or $$ that will do this?

Primarily want to start with Google Earth KMZ / KML files and end up with a Garmin .img file.

Thanks.