Reference | {Deposit:: 1978, MICHIGAN MINERAL PRODUCERS, DEPARTMENT OF NATURAL RESOURCES - GEOLOGICAL SURVEY DIVISION.}{Deposit:: MARTIN-MARIETTA WEB SITE - WWW.MAGSPECIALITIES.COM/FACILITIES.HTM}{Deposit:: MANISTEE CO, MANISTEE SALT WORKS., 1950, RECORDS FROM HARRY J. HARDENBERG (VISITED SITE) RECORDS OF THE GEOLOGICAL SURVEY DIVISION, LANSING MI.} |