Puddin,
I'm sure, in fact I know there are other map sources that are better than this one. Go to your search feature, type in II Corp. S. Viet Nam, enter. Go to the pages 26 to 40 of 17412. Scroll down to Jim Henthornes Home Page, click, scroll down till you find Maps of S E Asia. These look almost like a sector map and not hardly a grid map. Anyway, they are tiles. You have to pretty much know where you are to find anything. I found Cheo Reo right off the bat so it can't be too awfully difficult. Each one is highly detailed and you can zoom by clicking the tiles within the tiles, etc. Good Luck, Carl