O'Neal, R. P. 1997. Muskegon River watershed assessment.
 
Main document  930 KB
Appendix 1 - Distribution maps (through page 36)  1.5 MB
Appendix 1 - Distribution maps (pages 37-70)  1.4 MB
Appendix 1 - Distribution maps (pages 71-98)  1.2 MB
Appendix 2 and 3  1.1 MB