| So we talked with arborists and horticulturists to learn about the pros and cons of fast-growing trees for each region in the West. |
| The trees were not trimmed by qualified arborists but by a landscaping outfit armed with chain saws. |
| These arborists climb high in an ancient oak tree and drag along a chain saw to hack off dead branches, which they let crash to the ground. |
| Meanwhile, arborists are giving special treatments to the National Champion American hack-berry near Mason City, Illinois. |
| Two full time arborists are supported by a group of volunteers. |
| Phelan, one of many passionate arborists dwelling in Silicon Valley, collected and husbanded numerous California flora and fauna on his favorite estate. |
