Author: Henan Provincial Geological Survey
Language: Chinese
Published on: 1999-01
Hardcover
1. Advance Towards the Grand Canyon
2. First View of the grand Canyon
3. Study the Grand Canyon
4. Explore the Grand Canyon
5. Concluding Remarks
6. Postscript
Language: Chinese
Published on: 1999-01
Hardcover
1. Advance Towards the Grand Canyon
2. First View of the grand Canyon
3. Study the Grand Canyon
4. Explore the Grand Canyon
5. Concluding Remarks
6. Postscript