Sioux Snaketail (Ophiogomphus smithi)
Photographed
three

Common Whitetail (Plathemis lydia)
Observed
one female

Dot-tailed Whiteface (Leucorrhinia intacta)
Photographed
one

Four-spotted Skimmer (Libellula quadrimaculata)
Observed
a few

Ebony Jewelwing (Calopteryx maculata)
Photographed
many

River Jewelwing (Calopteryx aequabilis)
Photographed
a few