Success at last.
I put the SD card in my computer and looked at the CHDK directory on the card. All of the sub directories were their, but when I looked in each of these directories, they were all empty. I copied the CHDK directory from the 4GB card, that I know worked, to partition 2 of the 8GB card. I loaded the card in my G10 and it worked as advertised.
I am runing Linux. It makes it easy to work with multi partition SD cards. I used a UNIX program named LICKS to set up the partitions.
Thank you for your assistance. You pointed me in the right direction. I still do not understand what happened to all the files in the sub-directories.
Now on the the next step in the steep learning curve.