A square mile of tangled wreckage, fallen trees and toxic chemicals remain in the wake of Saturday's landslide.<br/> <br />A massive wall of mud buried the town of Oso, north of Seattle. No one has been pulled alive from the rubble since the weekend.<br/> <br />The official death toll remains at 24, including eight bodies that rescue workers located but were unable to retrieve.<br/> <br />And the number of people unaccounted for dropped from 176 the previous day, as dozens of people were found to be alive and well.<br/> <br />(SOUNDBITE) (English) SNOHOMISH COUNTY EMERGENCY MANAGEMENT DIRECTOR, JOHN PENNINGTON, SAYING:<br/> <br />"So the number is 90. It did drop significantly. I do believe that it might drop a little bit more than that. At least we are starting to get a clearer picture of the number of individuals who are at there that we need to focus on at this point."<br/> <br />Search crews have worked day and night, in treacherous quick sand conditions.<br/> <br />Even the rescue dogs are fatigued.<br/> <br />The r