| Depending on torque and speed of specific models, they can be used in conditions ranging from loose, heavy, or rocky soils to hardpan, frost, and asphalt. |
| A reader in Tucson says he plays public courses where the greenside bunkers have just a thin layer of sand over hardpan. |
| Which building block of the ecosystem is one acting upon if one breaks up the hardpan crust? |
| The simplest way to see if your soil has a hardpan or compaction layer below the surface is to take a metal rod and walk around your property sticking it into the ground. |
| Has the power to rip apart asphalt and prepare the toughest hardpan for digging or landscaping. |
| For hardpan, shale, loose rock and similar materials, ample strength of teeth and dipper is of greater importance than its shape. |
