The object of this organization shall be to promote historical study and investigation generally, but more especially pertaining to Michigan City, the County of La Porte and the State of Indiana; to discover, collect, collate, organize, preserve and, if practicable, publish, historical and archaeological facts pertaining to Michigan City, La Porte County and the State of Indiana; to collect and preserve by depositing for safekeeping with the Old Lighthouse Museum, all books, pamphlets, papers, maps, genealogies, pictures, relics, manuscripts, letters, journals, field-books and any and all other articles which will describe or illustrate the social, religious, political, industrial, or. educational progress of the City of Michigan City, La Porte County and State of Indiana; and to disseminate historical material in the newspapers or otherwise, by holding meetings with addresses, lectures, papers and discussion, and by marking historic buildings, sites and trails.