(c) copies of geological, technical, financial and economic reports made by or for the Contractor that are necessary for and relevant to the effective exercise of the powers and functions of the Authority in respect of the exploration area;
(c) 承包者编写或为承包者编写，并为管理局对勘探区有效行使权力和履行职能所必需和相关的地质、技术、财务和经济报告的副本；