Sioux Snaketail (Ophiogomphus smithi)
Observed
one

Twin-spotted Spiketail (Cordulegaster maculata)
Observed
one

Beaverpond Baskettail (Epitheca canis)
Observed
one

Dot-tailed Whiteface (Leucorrhinia intacta)
Observed
one

Twelve-spotted Skimmer (Libellula pulchella)
Photographed
one

Ebony Jewelwing (Calopteryx maculata)
Observed
many

River Jewelwing (Calopteryx aequabilis)
Observed
several