Constitution of 94 Deposits classified 127 Effect on topography 85, 88 Relation of stratified to unstratified 125 Stratified 111 Topography of 101, 103 Driftless area 79, 142 Drainage-- Adjustment of 62 Changes in, effected by the ice 128, 142 Establishment of 61 Glacial 113 Of drift-covered area 144 Of driftless area 144 Postglacial changes in 146 Endmoräne 108 Erosion-- By rain, and rivers, general outline of 36-58 Elements of 36 Of folded strata 50 Of rocks of unequal hardness 47 Of the quartzite 25 Preglacial 60 Topography 12 Without valleys 37 Eskers 124 Falls 48 Fossils-- In limestone 12 In sandstone 9, 11 Friendship mounds 71 Geographic features, general 3-20 Glacial drainage 113 Glaciated area 78, 91, 143 Glacier ice-- Deposition by 85 Direction of movement 88 Erosive work of 79-84 Formation of 74 Movement of, affected by topography 89 Glens 68 Green Bay lobe 91 Gibraltar rock 63 Ground Moraine-- Constitution of 99 Location of 97