25

7, 61

54

BRICKS, production of

BUCK MOUNTAIN, gradation between granite and porphyry near..

BUFORD MOUNTAIN...................

production of iron ore from.

stage of erosion represented by..

BUILDING STONES, description of..

BUZZARD MOUNTAIN........

brecciation of porphyry on.

detrital ore on....

limestone near.

stage of erosion represented by.

CALCITE CRYSTALS in limestone

in porphyry.

CAMBRIAN EPOCH, rocks of the Iron mountain sheet.

CARTEY AND MANN, limestone quarries..

CEDAR, habitat of........

8

68.

7

23, 24

65

63

8

82, 42

CHILDERS, SARAH B. Childers, occurrence of marble on land of..

CLAYS, description of .

CLAY, RESIDUARY, analysis of

at Tiptop

indurated, in boulder iron deposit..

from limestone Pilot Knob..

from porphyry, Pilot Knob.

at Shepherd mountain...

CONGLOMERATES..

Algonkian

at Cedar mountain.

character of as building stones.

at Pilot Knob.

relation of to limestone

source of material of.

23

4, 51

72

14

44

23, 24

68

68

54, 68

8

12

.28, 29

9, 80

49

11

58

73

74

.50, 52

51

59

63-

63

66

36

21

68

74

47, 64

59

51

FOREST TREES, diagram showing distribution of in Iron mountain sheet.

GALENA, Occurrence of in Iron mountain sheet....

GEOLOGY of the Iron mountain sheet

influence of on topography

GRANITE

for building stone

33 to 35

32

54, 75

35

28

32

29

38

43, 75

61

33-35

47, 48

58, 60

65

67

57

54

7

20

23

66

6

6

16

19

22

xi

14

52

9,11, 52

44, 45

23

11

13

32

15

4

19

69, 70

GRANITE, distribution of.

of Graniteville

important buildings constructed of.
mineralogical composition of..

of the Pilot Knob Co.'s quarry.
production of at Graniteville..
quarried in Iron Mountain sheet..

residuary soil of.....

GRANITE and porphyry contacts

and porphyry, relation of

texture of..

GRANITEVILLE.

area, granites of

chert found near

drill holes near.

Flint hills near.

gradations between granite and porphyry near.

granite quarries at

section near.

sbales in drill hole near.

siliceous dolomite from.

sub-areal decay at

GRASS, growth of in Iron Mountain sheet

GRASSY MOUNTAIN, feldspar in porphyry abundant near.

GRAVES, MR. F. P., information furnished by

GREENSTONE in dikes.....

GRITS at Pilot Knob

in Ironton drill holes.

general position of.....

source of material of.

HALL, HON. W. C., cited on commodities marketed in Iron Co..
HASTINGS, limestone quarry

....

Page

20 to 22

20

.70, 71

19

20

70

3

10

25

24

20

2

20

30

75

.44, 45

25

69

44

31

29

5

10

24

32

15

47

49

42

51

3

72

15

19

49

32

72

16, 17

19

21

9

5

53

3

68

2, 7, 54
28, 29

.37 to 41

31, 82
56 to 61