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 L La Sal Mountains 21, 113 Labyrinth Canyon 5, 90 Lake Powell 23, 108 Land of Standing Rocks 58 Lathrop Canyon 34, 36 Lavender Canyon 64, 70 Little Rainbow Bridge 98 Lockhart Basin 49 Lockhart Canyon 49 Lohman, S. W., quotation 25 Lower Red Lake Canyon 80