| Term | Definition |
| 1 | The mining boom began with the California gold rush of 1849. When the gold rush ended they looked for new opportunities. |
| 2 | Two prospectors struck gold in the Sierra nevada in 1859. This strike became know as the Comstock Lode. |
| 3 | heavy blue sand was mixed in with the gold clogging the machinery to separate out the gold. Found to be loaded with silver. |
| 4 | With the promise of both gold and silver around the Sierra Nevada's, many miners moved into many other areas of the west. |
| 5 | Miners often built tents near digging sites. |
| 6 | Merchants came to supply the miners needs such as food, tools, and clothing. |
| 7 | Soon, houses, hotels, restaurants, and stores replaced the tents. |
| 8 | Territories such as Montana, Idaho, Colorado, and the Dakota's had a huge population boom. |
| 9 | After a few years gold or silver production slows down or fails. |
| 10 | Miners leave town and move away |
| 11 | Businesses often had to close, without customers. |
| 12 | Once a populated flourished boomtown is now abandoned and becomes a ghost town. |