missouri following the story from there. casey. >> reporter: obviously the president was here yesterday, getting an unclose and personal look at the damage we have been showing you for the last week or so. right behind me, is what is left of the greenbriar nursing home. 146 human remains, total, have been found, in the aftermath of the storm, three of them according to the official list, are here at the nursing home, three people still remain unaccounted for and, really, the only way you know that this is a nursing home, is because you see the parking lot littered with debris. look at this here. this is a mattress, to a patient's bed. obviously the medical services and the medical facilities here have been severely impacted, as we told you last week, the st. john's regional medical center, a stone's throw away from where i am, now, was destroyed in the storm. and that is joplin's main hospital, but, look at this. encouraging news. a new field hospital is operational there now, within