Page |
Illustrations |
44 |
Section of mine cut. |
85 |
Section resulting from continental drift. |
112 |
Strip mining equipment. |
113 |
Panorama of Site No. 11. |
114 |
Moonscape of Site No. 11. |
115 |
Sites No.'s 3 and 4. |
116 |
George Langford, Jr. collecting. |
117 |
George Langford, Sr. and George Langford, Jr. cracking nodules. |
118 |
George Langford, Sr. collecting. |
Page |
Maps |
58 |
Localities No.'s 3, 4 7, & 8. |
78 |
Collecting Sites, prepared by George Langford, Sr., 1940. |
80 |
Will County collecting sites 1937. |
83 |
Continental drift. |