Here is a breakdown of the maintenance backlog at Michigan’s national parks, according to the Pew Charitable Trusts:
Upper Peninsula
- Pictured Rocks National Lakeshore: $10 million
- Isle Royale National Park: $17.9 million
- Keweenaw National Historical Park: $5.3 million
Lower Peninsula
- Sleeping Bear Dunes National Lakeshore: $16.3 million
- River Raisin National Battlefield Park: $818,300