"les" wrote in message ...
I have lots of questions about crawlspaces that I want to understand, and
need a reference for this topic.

The ones provided by Bill and Jay are a couple of the best that I've seen.

Among other things, I wonder about radon possibilites,

Simple, home sampling kits are available at Lowes and Home Despot (hehe).
You send it off to a lab for the results.

humidity issues, suggested ways to counteract these problems, ventilation
suggestions, etc.

See above oted references.

I want to use this large area for storage, but foresee trouble.

Thanks for any pointers. Les