Possible online services disruption due to Internet related outage
McHenry County
- Crystal Lake, Colonel Palmer House, 5516 Terra Cotta Road (covenant, EXPIRED)
- Marengo, Anson Rogers House & Farm Buildings, U.S. Route 20 (HABS IL-144)
- Marengo, Thompson Store, 109 West Grant Highway (HABS IL-143)
- Richmond, McConnell Farmstead, Threshing Barn, 6102 Broadway Street (HABS IL-1235-A)
- Woodstock, Illinois National Guard Armory, 408 North Madison Street (covenant)
- Woodstock, Woodstock Opera House, 119 Van Buren Street (covenant, EXPIRED)
- Woodstock vicinity, Kennedy Farmhouse, Route 14 (HABS IL-182)
- Rural McHenry County, Archaeological sites 11-Mh203, 11-Mh204, and 11-Mh205 (covenant)