Black-shouldered Spinyleg (Dromogomphus spinosus)
Photographed
just one before the weather worsened and things stopped flying...

Dusky Clubtail (Phanogomphus spicatus)
Photographed

Riffle Snaketail (Ophiogomphus carolus)
Photographed
just one

Twin-spotted Spiketail (Cordulegaster maculata)
Photographed

American Emerald (Cordulia shurtleffii)
Observed

Common Baskettail (Epitheca cynosura)
Observed

Racket-tailed Emerald (Dorocordulia libera)
Observed

Calico Pennant (Celithemis elisa)
Observed

Chalk-fronted Corporal (Ladona julia)
Observed

Common Whitetail (Plathemis lydia)
Observed

Dot-tailed Whiteface (Leucorrhinia intacta)
Observed

Four-spotted Skimmer (Libellula quadrimaculata)
Observed

Frosted Whiteface (Leucorrhinia frigida)
Observed

Hudsonian Whiteface (Leucorrhinia hudsonica)
Observed
just one