Sioux Snaketail (Ophiogomphus smithi)
Netted and released
several

Ruby Meadowhawk (Sympetrum rubicundulum)
Netted and released
one male ID'd by hamules

Twelve-spotted Skimmer (Libellula pulchella)
Observed
a couple

Ebony Jewelwing (Calopteryx maculata)
Netted and released
many