home *** CD-ROM | disk | FTP | other *** search
/ Grand Canyon National Park / LEON.bin / data / dc007.doc < prev    next >
Text File  |  1995-04-13  |  148b  |  5 lines
  1. Many types of stone and rock make up the layers of the Grand
  2. Canyon, including sandstone, limestone, granite, gypsum, marble,
  3. shale, and coal.
  4.  
  5.