Photomechanically reproduced and converted to township format; revisions by U.S. Forest Service Geometronics Service Center, Salt Lake City, utilizing Eastern Region 1977 field examined compilation guides.
"National forest land as of March 1, 1977."
Includes township location diagrams on sheets.
Map complete on 78 sheets.
Baldwin Ranger District: T.18 N.,R.13 W. Lake County Michigan -- T.18 N., R.14 W. Lake County, Michigan -- T.18 N., R.15 W. Mason County, Michigan