Difference between revisions of "Artificial Minerals"
From Wiki
| Line 2: | Line 2: | ||
See "Minerals" | See "Minerals" | ||
| − | [[Asphalt]] | + | *[[Asphalt]] |
| − | [[Cement]] in use since Roman times. | + | *[[Cement]] in use since Roman times. |
| − | [[Paving Stones]] | + | *[[Paving Stones]] |
| − | [[Sand]] | + | *[[Sand]] |
| − | + | *[[A Brick, D. B. Co., from the Tip-Top Building]] | |
| + | *[[A Piece of the Alamo]] | ||
Revision as of 19:42, 13 April 2008
Man-made Minerals and Geology
See "Minerals"
- Asphalt
- Cement in use since Roman times.
- Paving Stones
- Sand
