E Eagle Park 25, 98 number of arches 41 Early dwellers _9_ Earthquake, rock offset along bedding plane 63 Egyptian queen, arch resembling 63 Eisenhower, Dwight D., Mission 66 4 Elephant Butte 72 Elephant Butte folds 68 Elizondo, Emmett 13 Entrada Sandstone 23, 74, 102, 103 arches, modes of origin 42 caves 9 cut by normal fault 57 Moab Member 24 no water found 87 Environments of deposition _20_ Erosion 99 Colorado Plateau _33_ Evaporation basins 99 Evaporites 30 Eye of The Whale 69 F Facies changes 22 “Father of the monument,” J. W. Williams 1, 4 Faults, Cache Valley anticline 34 Salt Valley anticline 34 Fiery Furnace 25, 42, 73, _79_, 83 number of arches 41 Fins 63, 79 Float trip, nighttime illuminated, down Colorado River 52 Folds _24_, 30, 100 Four-wheel-drive vehicles 69 Fractures _24_ Fremont people, occupation of area 9 pictographs 10 Frost, prying action 42