| A | B |
|---|
| badlands | lands that have been eroded by wind and water into small gullies and without vegetation and soil |
| chinooks | strong, dry mountain winds |
| wheat belt | stretches across the Dakotas, Montana, Nebraska, Oklahoma, Colorado, and Texas |
| shelterbelts | rows of trees that block the wind and protect the soil |
| center pivot irrigation | long sprinkler systems mounted on huge wheels that rotate slowly |
| strip mining | soil and rock are removed by large machines to get the coal underneath |
| land reclamation | the soil is saved during mining and returned to its original position |
| ghost towns | towns that once flourished but are deserted today |
| tree line | elevation above which trees cannot grow |
| aqueduct | canal systems to carry water hundreds of miles |
| toponyms | names of places and often reflect the history and culture of a region |
