11:05 AM  A ’stop’ sign is seemingly place in open space of Los Vaqueros Reservoir but the road is hidden by the long grass near the marina on
11:05 AM A 'stop' sign is seemingly place in open space of Los Vaqueros Reservoir but the road is hidden by the long grass near the marina on Wednesday May 18, 2005 in Byron, Calif. The nearly 100,000 acre-feet reservoir is surrounded by 20,000 acres of watershed. (Gregory Urquiaga/Contra Costa Times)