Welcome to CDC. You may want to try Baker Lake ( northeast of Gun ), Crooked near Delton, Thornapple and Middle. All have good crappie populations. Read the posts from not only Michigan but other states as well. Techniques used in the southern states will work here, too, with a little refinement. Ask lots of questions, try different things and keep at it, eventually things will click and you'll be catching all kinds of crappie.