Maine cache density in Google Earth

[brdad]

OK, I was bored. Here's the entire file converted to the format of bgrffdave's sample.
It's not 100% exact as it's missing trailing 0's, but most software should be fine with that.

Give it a try. The maps most likely to be screwy are the custom ones - Maps 10, 17 insert, 25, and 27....