June 3 (Reuters) - Challenger Exploration Ltd CEL.AX :
* FIELD OPERATIONS HAVE RE-STARTED IN ECUADOR
* RECOMMENCED FIELD WORK AT EL GUAYABO AND COLORADO V CONCESSIONS
June 3 (Reuters) - Challenger Exploration Ltd CEL.AX :
* FIELD OPERATIONS HAVE RE-STARTED IN ECUADOR
* RECOMMENCED FIELD WORK AT EL GUAYABO AND COLORADO V CONCESSIONS