Do not excavate holes in the playa. Small postholes (6 inches or less in diameter & less than 2 feet deep) used for structural support are the sole exception. When digging such a hole it is best to use an auger or a posthole digger, NOT a shovel. Bag the dirt you are removing so that it does not blow away in the wind. Refill the hole by carefully tamping the soil back into place. Repeat this process every few inches while dampening the soil. An inverted sledgehammer works well for this. Experience has shown that larger holes, sometimes used to sound-insulate generators or for pools, easily erode within a year's time, even when carefully backfilled. They leave a visible mark and create a serious safety hazard.
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