52

PROVENIENCE OF PYROCLASTIC MATERIALS

Year:
1955
Language:
english
File:
PDF, 621 KB
english, 1955
53

THE ORGANIC MATTER OF THE SOIL V.

Year:
1917
File:
PDF, 1.77 MB
1917
55

The Clay Minerals and Their Identity

Year:
1931
Language:
english
File:
PDF, 582 KB
english, 1931
60

Altered Paleozoic Volcanic Materials and Their Recognition

Year:
1928
Language:
english
File:
PDF, 2.38 MB
english, 1928
62

Clays and Clay Minerals || REVIEW OF THE RELATIONSHIPS IN THE MONTMORILLONITE GROUP OF CLAY MINERALS

Year:
2013
Language:
english
File:
PDF, 495 KB
english, 2013
65

The reconstruction of Cuba.—(I.)

Year:
1899
File:
PDF, 428 KB
1899
67

The Reconstruction of Cuba.—(II.)

Year:
1899
File:
PDF, 692 KB
1899
69

Beds of Volcanic Material as Key Horizons: GEOLOGICAL NOTES

Year:
1925
File:
PDF, 176 KB
1925