ALTON — CATco has announced plans to return the former Ursuline Convent to its previous owners after asbestos findings showed the required work exceeded what the organization could sustainably undertake.CATco (Cultural, Agronomic and Technological Community) said in a statement to neighbors, supporters and the community that the ownership transfer for the property at 845 Danforth St. in Alton has not been finalized. The organization had planned to restore the convent in phases and turn it ...