Critiques/2009-05-05/Sug10

Could make easier to recognize sweep boundaries. Could be tied to end of walking/tracking stick. Could develop convention for markings "X" like disaster search.
 * preplan 2009-05-19
 * difficult to recognize from other end
 * preplan 2010-05-18
 * could be useful
 * need to develop convention
 * require training
 * needs to be visible
 * need enough chalk