G Gap in the Rock Record. _See_ Unconformities. Garfield, James A., 1 Gateway, 27, 72 Geologic history, 125 Geologic time spiral, _126_ Glaciers, 77, 80 Glade Park, ranchers, 1, 107 Entrada Sandstone, 43, 45 Slick Rock Member, 45 Glade Park fault, 69, _120_, _121_ view, _122_, _123_ Glade Park General Store and Post Office, 13, 108 Glen Canyon Dam, 77 Glen Canyon Group, 129 Glen Canyon National Recreation Area, 128, 129 Glenwood Canyon, 76 Glenwood Springs, 27 Gneiss, 24 Goblin Valley State Park, 129 Grabens, The, 128 Grand Canyon National Park, 128 Grand County, Utah, 17 Grand Hogback monocline, 64 Grand Junction, founded, 10 Otto’s monument, 4 Grand Junction Chamber of Commerce, 1 Grand Mesa, 17, 21, 33, 63, 64, _71_, 73 lakes, 77 views, 33, 67, _107_, 113, 122 water, 15 Grand River, 10, 11, _16_ Grand Valley, 17, 56, 63, 76, 78, 85 views, 30, 57, _100_, 101 Grand View, _105_ view, 19 Granite, 24 Great Sand Dunes National Monument, 29 Green River, Utah, 11, 12, 16, 129 Green River Formation, 63, 64 view, _103_