5

CODONOTHECA AND CROSSOTHECA: POLLENIFEROUS STRUCTURES OF PTERIDOSPERMS

Year:
1937
Language:
english
File:
PDF, 1.48 MB
english, 1937
8

Earliest Conifers of North America: Upland and/or Paleoclimatic Indicators?

Year:
1989
Language:
english
File:
PDF, 1.61 MB
english, 1989
9

THE FOSSIL FLORA OF IOWA COAL BALLS IV. Lepidocarpon

Year:
1941
Language:
english
File:
PDF, 1.26 MB
english, 1941
12

THE PEEL METHOD IN PALEOBOTANY

Year:
1936
Language:
english
File:
PDF, 1.17 MB
english, 1936
17

Angular momentum effects in nuclear evaporation processes: Charged-particle emission

Year:
1967
Language:
english
File:
PDF, 1.93 MB
english, 1967
18

The analysis of nuclear evaporation spectra: Charged particle emission

Year:
1968
Language:
english
File:
PDF, 925 KB
english, 1968
25

Powell of the Colorado

Year:
1952
Language:
english
File:
PDF, 513 KB
english, 1952
26

Technical Contributions to the Study of Archaeological Materials

Year:
1938
Language:
english
File:
PDF, 285 KB
english, 1938
28

Powell of the Colorado

Year:
1951
Language:
english
File:
PDF, 153 KB
english, 1951
29

THE OCCURRENCE OF THE GENUS TINGIA IN TEXAS

Year:
1938
Language:
english
File:
PDF, 1.26 MB
english, 1938
31

Dear Client: Questions to Ask & Warnings to Give

Year:
2007
Language:
english
File:
PDF, 2.22 MB
english, 2007
32

A REMARKABLE FOSSIL SELAGINELLA WITH PRESERVED FEMALE GAMETOPHYTES

Year:
1938
Language:
english
File:
PDF, 1.81 MB
english, 1938
33

The Coenopterid Ferns in American Coal Balls

Year:
1941
Language:
english
File:
PDF, 4.16 MB
english, 1941
34

THE FOSSIL FLORA OF IOWA COAL BALLS: I. Discovery and Occurrence

Year:
1939
Language:
english
File:
PDF, 816 KB
english, 1939
35

A NEW FOSSIL GLEICHENIACEOUS FERN FROM ILLINOIS

Year:
1938
Language:
english
File:
PDF, 1.19 MB
english, 1938
36

A NEW TRANSFER METHOD FOR STUDYING FOSSIL PLANTS

Year:
1938
Language:
english
File:
PDF, 238 KB
english, 1938
38

LEO LESQUEREUX

Year:
1934
Language:
english
File:
PDF, 552 KB
english, 1934
39

A NEW MACROSTACHYA FROM THE CARBONIFEROUS OF ILLINOIS

Year:
1936
Language:
english
File:
PDF, 1.01 MB
english, 1936
40

THE FOSSIL FLORA OF IOWA COAL BALLS III. Cordaianthus

Year:
1940
Language:
english
File:
PDF, 3.52 MB
english, 1940
47

Powell of the Colorado || 11. 1872. Seeking Federal Support

Year:
1951
Language:
english
File:
PDF, 674 KB
english, 1951
48

Powell of the Colorado || Preface

Year:
1951
Language:
english
File:
PDF, 187 KB
english, 1951
49

Powell of the Colorado || 2. 1846–1853. Prairie Farmer

Year:
1951
Language:
english
File:
PDF, 504 KB
english, 1951
50

Powell of the Colorado || 6. 1868. Across the Continental Divide

Year:
1951
Language:
english
File:
PDF, 653 KB
english, 1951