I had already hiked 50 miles to reach this gritty wall of lichen-covered sandstone. Several small caves honeycombed the steep face, many of them just wide enough for me to shimmy into. The sandstone ...

Red Rock Canyon is an open space in Colorado Springs that has rock formations, tall sandstone walls, multiple stone steps and so much more. I had been camping outside of Colorado Springs and this ...

"The DVD contains Microsoft Powerpoint files for each of the chapters that contains all of the photomicrographs (generally without the arrows or mineral labels shown in the book). The notes section ...