Not a geocaching question since we are not allow to dig or use pointy objects to make holes but I can't see that that is a problem for Arizonans in the desert areas since I find it virtually impossible to dig a hole in this
<span class="mark" id="misspell-0">caliche soil. I believe it's also known as hardpan. Just how to you guys dig a hole, my gosh, I just wanted to plant a few cacti before the temps went over 100F one morning. </span>