We just got back from New Mexico, car camping way up on the rim in the Guadalupe section of the Lincoln National Forest (where they were doing "controlled" burns in the low areas during dry season with winds gusting to 30-40 mph -- insane). I stacked rocks in the tent corners to keep them from rolling/soaring away. When digging cat holes I was glad I brought along a real shovel, but what I really needed was a pickaxe!