Archived Superfund Sites
(EPA) - Listing of archived superfund sites by Michigan County.
Biological Survey of the Muskegon and West Branch Muskegon Rivers in Clare, Missaukee and Roscommon Counties
1994 - (MDEQ)
Biological Survey of the Upper Muskegon River in Missaukee and Roscommon Counties
1989 - (MDEQ)
Economic Overview for Roscommon County
(Iowa State University) - 1970, 1980, 1990, 1995, 1999 and 2000 data.
Emerald Ash Borer Quarantine Roscommon County
(MDA)
General Land Office Plats – Roscommon Co.
(MDNR) - plat maps derived from original surveyor notes of the State of Michigan conducted in early to mid 1800s. You can click on each specific township for local information.
Michigan Lake Finder
database of Michigan lakes by name, county or fish species. Also, gives depth, acreage and fish species of each lake.