Late Jurassic ammonites from Alaska /
| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.;
1981.
|
| Series: | Geological Survey professional paper ;
1190. |
| Subjects: |
| Item Description: | "Studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world." "Contact photographs of the plates in this report are available at cost from U.S. Geological survey Library, Federal Center,Denver, Colorado 80225"--Plate 1 recto. Includes index. |
|---|---|
| Physical Description: | iv, 40 pages, 12 leaves of plates : illustrations, 11 maps ; 29 cm. |
| Bibliography: | Bibliography: pages 36-38. |