There are several resources available to you when attempting to trace Indian heritage. The following list is just a few that should get you started.
Michigan Department of Civil Rights
110 W. Michigan Ave. Suite 800
Lansing, MI 48933
http://www.michigan.gov/mdcr
Ask for a pamphlet entitled "Tracing your American Indian Ancestry."
U.S. Department of the Interior
Bureau of Indian Affairs - Michigan Agency
2901.5 I-75 Business Spur
Sault Ste. Marie, MI 29783
(906) 632-6809
Office of Native American Affairs
Michigan Department of Human Services
235 S. Grand Avenue
Lansing, MI 48909
(517) 335-7782
Library of Michigan
http://www.michigan.gov/hal
The Abrams Historical Collection is ranked as one of the top ten genealogical collections in the United States. In addition to traditional genealogy materials which grow every year, the library has recently compiled a new bibliography of materials held by the Library which pertain to Native Americans specifically.
Please see the Genealogy section of the website for just a brief listing of resources.
Or contact an Indian Outreach worker in your area.