Crews drag lake as search continues for young Iowa cousins By NBC News staff and WHOTV Updated at 5:28 p.m. ET: Crews resumed searching Monday for two Iowa girls who disappeared on Friday afternoon. Over the weekend, nearly 1,000 volunteers combed a 12-mile area around Evansdale, Iowa, where the girls were last seen around noon, riding their bikes. Authorities said late Sunday that there were no indications of foul play in the disappearances of Lyric Cook-Morrissey, 10, of Waterloo and Elizabeth Collins, 8, of Evansdale but they were not ruling anything out. The girls' bikes were found later in the day on Friday near a bike trail, the Quad-City (Iowa) Times reported. Elizabeth's purse and a non-working cell phone she used to play games were also found. "We've covered everything we can cover with civilian people," Marcus Norman, volunteer coordinator with Evansdale Fire Department, told the Des Moines Register on Sunday. Law enforcement is still working on the residential areas and things of that sort. Rescue crews went by foot, horseback and 4-wheelers along with search and rescue dogs, WHOTV Des Moines reported. Lake searched The five-acre Myers Lake started being dragged on Sunday, but the search did not turn up any sign of the girls, Black Hawk Sheriff's Deputy Rick Abben told the Register. Still, the lake, already low because of the dry weather, continued to be dragged on Monday and officers were assigned to stay there during the night and into Tuesday, authorities said on Monday evening. Evansdale, a town of 4,500, is located in northeastern Iowa, about 100 miles northeast of Des Moines. 'Pushing those thoughts out of your mind' The girls' families were holding out hope, according to news reports. "It's been good talking to people ... It keeps your mind off of what's happening," the paper quoted her as saying.