This collection consists of various textual and graphic materials related to the Application for Approval of Homestake Phase II Water Project. The material is dated between 1962-1986. Most of the collection is made up of so-called "attachments." These "attachments" include maps, reports, responses, investigations, memoranda, summaries, and legal correspondence concerning the various environmental impacts, planning and surveying, legality, and changes of the Homestake Phase II Water Project. The collection varies between officially requested copies from the participating government office or organization and original documentation. Eagle County, City of Aurora, City of Colorado Springs, various consultation agencies, and their participating officials are noted.