1979 / 1980 information required, please

Dear all,

I need some info to complete a project I recently started. More specifically, I would like to find a course description of better still, a course map of the following events:

- 1979 & 1980 Lombardo classic
- 1979 & 1980 Spirit of Detroit
- 1979 John Wayne Memorial Race
- 1979 Benihana GP West
- 1980 New Orleans Halter 200
- 1980 Michelob Light Bahamas 200
- 1980 Islamorada 200
- 1980 le Club International

I will be extremely grateful to anyone able to help.

Phil.