DPNEDIELS 
Acadian limestone, 13 
Adirondack mountain province, 15 
Adirondacks, anorthosite, 33, 34; 
diabase, 40; eastern, faulting of, 
70-76; erosion, 39; folding of 
rocks and uplift of, 36-39; gran- 
ite-syenite rocks, 35; Grenville 
formation, 29, 30, 31; lakes, 102, 
103; pegmatites, 40; Siluric period, 
52 
Algonquin, Lake, 100 
Allegheny river, 27 
Anorthosite, 13, 33 
Appalachian mountain 
58-60 
Ausable Chasm, 43, III 
revolution, 
Becraft mountain, 55 
Beekmantown limestone, 13, 46 
Berkey, C. P., cited, 49, 68, 79 
Berkshire hills, 47, 48 
Bibliography, 120-26 
Black lake, 105, 106 
Black river, 27, 82, III 
Black River limestone, 13, 46 
Black river valley, ice erosion, 92 
Boonville, 22 
Boulder clay, 94 
Boulders, 94 
Buttermilk creek, 114 
Butternut creek, 114 
Cambric period, 41-44 
Canada, Grenville formation, 20, 31; 
igneous activity, 36 
Carbonic period, 55, 57 
Catskill mountain province, 18, 55, 
8I 
Catskill sandstone, 12, 56 
Cattaraugus shale, 12 
Cayuga lake, 103 
Cenozoic history, 77-117 
Chamberlin, T. C., cited, 86 
127 
Champlain, Lake, 81; faulted re- 
gion, 72; valley, 23, 27, 104 
Champlain sea, 116 
Chautauqua, Lake, 27, 105 
Chazy limestone, 13, 46 
Chemung river, 27 
Chemung sandstone, 12, 56 
Chicago, Lake, 98, 99 
Clayton, 91 
Clinton shale, 12, 52, 54 
Cobleskill limestone, 12, 54 
Conklingville, 107, I11 
Cretacic history, 64-66 
Cretacic peneplain and its 
67-70 
Cushing, H. P., cited, 73 
uplift, 
Delaware river, 27, 70, 84 
Delaware system, 81 
Devonic period, 55 
Diabase, 13, 39 
Dike rocks, 8; formation, 39 
Drainage, 26-28, 74-76, 81-86, 107 
Drumlins, 94 
Duluth, Lake, 98 
Dundas river, 82, 97 | 
Earthquakes, results, 9 
Elevations, changes in, 9 
Eocene, 77 
Erie, Lake, 81, 96, 98 
Erie basin, 27 
Erie—Ontario plains province, 21 
Erosion, effects of, 10 | 
Erratics, 94 
Fairchild, H. L., cited, 111 
Fall creek, 114 
Finger lakes, 27, 
Fossils, 47, 57 
Frankfort shale and sandstone, 13, 
46 
101-3 
