... and at a distance exhibiting every appearance of a collumn of thick smoke. so penitrating is this sand that we cannot keep any article free from it; in short we are compelled to eat, drink, and breath it very freely. my pocket watch, is out of order, she will run only a few minutes without stoping. I can discover no radical defect in her works, and must therefore attribute it to the sand, with which, she seems plentifully charged, notwithstanding her cases are ... — The Journals of Lewis and Clark • Meriwether Lewis et al