Dragonhunter (Hagenius brevistylus)
Photographed
2 hunting over creek below dam. 1 landed close and ate an Ebony Jewelwing.

Lancet Clubtail (Phanogomphus exilis)
Photographed
a few in the creek below the dam.

Common Baskettail (Epitheca cynosura)
Observed
several

Racket-tailed Emerald (Dorocordulia libera)
Netted and released
several

Blue Dasher (Pachydiplax longipennis)
Observed
1 male

Chalk-fronted Corporal (Ladona julia)
Photographed
dozens

Common Whitetail (Plathemis lydia)
Observed
several

Four-spotted Skimmer (Libellula quadrimaculata)
Observed
several

Frosted Whiteface (Leucorrhinia frigida)
Photographed
dozens

Twelve-spotted Skimmer (Libellula pulchella)
Observed
several

White-faced Meadowhawk (Sympetrum obtrusum)
Observed
a couple

Widow Skimmer (Libellula luctuosa)
Observed
a couple

Ebony Jewelwing (Calopteryx maculata)
Observed
a couple dozen

Sedge Sprite (Nehalennia irene)
Observed
a dozen

Elegant Spreadwing (Lestes inaequalis)
Netted and released
1 male

Swamp Spreadwing (Lestes vigilax)
Netted and released
1 male

Variable Dancer (Violet Dancer ssp.) (Argia fumipennis violacea)
Photographed
several males and female along creek below dam