How to make adobe bricks

http://m.youtube.com/watch?v=Q451eExJlfw
The county seat of a west Texas county is made of adobe bricks

Update:

There's a bit more to making adobe bricks than the above video.

Here's another source, which describes how in a written format.

More pointers on how to find the right kind of soil to use.

Here's more in a pdf file.

Important!

How to process soil into its clay components.  This isn't as hard as it sounds.