and resolve any issue that may delay the completion of an environmental review or result in the denial of an approval required for the project under applicable law. (2) Lead agency responsibilities As early as practicable during the environmental review process, the lead agency shall make available information (including information based on existing data sources, including geographic information systems) relating to the environmental, historic, and socioeconomic resources located in the project area and the general location of any alternative under consideration. (3) Cooperating agency responsibilities Based on information received from the lead agency, a cooperating agency shall identify, as early as practicable, any issue of concern relating to the potential environmental, historical, or socioeconomic impact of a project, including any issue that may substantially delay or prevent an agency from granting a permit or other approval required for the project. (4) Issue resolution (A) Meeting of cooperating agencies To resolve any issue that may delay the completion of an environmental review or result in the denial of an approval required for a project under applicable law, the lead agency shall promptly convene a meeting with the relevant cooperating agency and the project sponsor on request by a project sponsor at any time. (B) Notice that resolution cannot be achieved If a resolution to an issue identified under paragraph (1) cannot be achieved by the date that is 30 days after the date on which a meeting is convened under subparagraph (A), and the lead agency determines that all information necessary to resolve the issue has been obtained, the lead agency shall— (i) notify— (I) each cooperating agency