Bruce Mueller

Lake Superior Rock Picker's Guide  Kevin Gauthier Bruce Mueller Paperback. Petoskey Co-Pub, 2007-08-28 ISBN 9780472032679     Lake Michigan Rock Picker's Guide  Bruce Mueller Kevin Gauthier Paperback. University of Michigan Press/Petoskey Pu, 2006-05-15 ISBN 9780472031504     The Complete Guide to Petoskey Stones  Bruce Mueller William Wilde Paperback. University of Michigan Press, 2004-06-04 ISBN 9780472030286