- Backbone State Park, Maquoketa River Valley and adjacent bluffs, north of Dundee1
- Backbone State Park, Maquoketa River valley and adjacent bluffs, north of Dundee1
- Bear Creek, east of Highlandville, sec. 34/35, Highland Twp.1
- Between sec. 7 & 18, east of Hesper1
- Bluff along creek SW of Lansing1
- Bog Creek, northwest of Milford1
- Bogs along Bog Creek, N.W. Milford1
- Brush Creek Canyon State Park, circa 40 miles northeast of Waterloo1
- Buchanan1
- Buena Vista1
- Butler1
- Cedar Bend Park, 3 miles NW of Waverly, near Cedar River1
- Cedar Creek1
- Cedar Hills Sand Prairie.1
- Cedar Rapids1
- Cedar Rapids (Iowa)1
- Cliffland east of Ottumwa1
- Clinton1
- Clinton (Lyons).1
- Davenport1