Niagara county, Clinton beds, 8, 19;
elevation of outcrop, 18.
Niagara Falls, dip of bed at, 18.
Niagara gorge, 9, 41.
Niagara river, 9, 20.
Niagaran, 11, 22, 25.

Norton mine, Clinton, 59, 65.

Ohio, Clinton areas, 9.
Oneida conglomerate, 11, 14, 26, 27,
28.

Oneida county, Clinton formation, 5,
8, 10, 19, 26, 42, 45, 46, 48; drill
holes, 40-41; mines, 58-66.
Oneida lake, 9, 10, 25.
Oneida river, 37.

Onondaga county, Clinton formation,

8, 19, 24; drill holes, 37-38.
Onondaga Iron Co., 67.

Ontario, Wayne county, 20-21, 44,

67, 68, 69-70.

Ontario Center, 41, 54.

Ontario, Province of, Clinton ores,

8, 9.

Ontario Furnace Co., 70.

Ontario Iron Ore Co., 70.

Oolitic structure, 46.

Orange county, 9, 13.

Origin of Clinton ores, 49–53.

Orleans county, Clinton beds, 8, 19.
Oswegan, II.

Oswego county, Clinton beds, 8, 19,
24, 43: drill holes, 36-37.
Oswego sandstone, II.

Otsego county, Clinton formation, 8,
27, 28.

Pentamerus, 31, 32.

oblongus, 20.

Pentamerus limestone, 7, 20, 21, 23,
69.

Phosphorus in Clinton ores, 48.

Pintler, Freeman, acknowledgments

to, 7.

Potsdam sandstone, 15.

Prosser, C. S., cited, 22, 23, 25, 51, 72.

Protean, name originally applied to

Clinton beds by Vanuxem, 18.
Protean group, 7.
Pryer farm, 65.

75

Seneca Falls, Clinton formation, 22.

Shaker settlement, 21.

Shaler, cited, 49.

Sharon Springs, 28.

Shawangunk conglomerate, 13, 14.
Siderite, 45.

Silica in Clinton ores, 46, 48.
Skunnemunk conglomerate, 14.
Skunnemunk mountain region, 9, 13.
Smith, Timothy, farm, 67.

Smock, J. C., cited, 58, 64, 72;

analyses by, 63, 65.

Smyth, C. H. jr, cited, 8, 27, 46, 50,
62, 72; extract from paper, 52;
analysis by, 63.

Sodus, 10, 67, 68, 69.

Sodus Center, 30.

Sodus shale, 8, 20, 21.

South Granby, 24, 36-37.

Starch Factory creek, 60.
Stark, 28.

State well, 25.

Sterling creek, 35.

Sterling Station, 33, 34, 35, 43, 46,

55, 56.