Chapter I

Igneous rocks 20, 113
Indian Creek 61, 93, 101
Indian Creek State Park 12, 61
Indian ruins. _See_ Ruins.
Indians, Anasazi 9, 12, 68
Fremont 9, 12
Pueblo 9
Ute 12
Iron 23
Island in the Sky _27_

J
Jackson Hole 90, 100
Jeep trails, Davis Canyon 70
Elephant Hill 2, 75
Horse Canyon 67
Hurrah Pass 48
Island in the Sky district 36
Lavender Canyon 70
Needles district 2, 63, 75
Potash area 98
reason for building 16
Salt Canyon 66
Silver Stairs 2, 79, 80
SOB Hill 2, 75
west of Green River 54
Jennings, J. D., quotation 9, 12
Joint Trail 76
Joints 63, 79
Julien 90
Junction Butte 27

K
Kane Springs Canyon 48
Kayenta Formation 25, 54, 115
Keyhole Ruin 67
King’s Bottom syncline 50, 98