Otto Armleder Memorial Park — Public Lands Institute

Geological age: ~450 million years ago (Ordovician bedrock); floodplain deposits Holocene
Epoch: Ordovician period (Cincinnatian); overlain by Quaternary glacial outwash and Holocene alluvium; site lies on Little Miami River floodplain shaped by Wisconsin glaciation meltwater
Taxa: 738 plants, 990 insects, 21 mammals, 18 reptiles, 101 arachnids
Most observed: American Rubyspot (Hetaerina americana)
toadshade (Trillium sessile)
Blue-fronted Dancer (Argia apicalis)
Elusive Clubtail (Stylurus notatus)
Virginia Springbeauty (Claytonia virginica)
Native lands: Shawnee (Shawanwaki) · Fort Ancient culture (900–1650 CE); Little Miami River a principal Shawnee corridor; Shawnee ceded Ohio lands via Treaty of Greene Ville 1795
Ecology: Floodplain wetland; bottomland hardwood forest; willow, cottonwood, silver maple, boxelder; critical migratory bird stopover on the Ohio flyway; 76+ documented bird species
Hydrology: Little Miami River floodplain; subject to periodic inundation; adjacent to Lunken Airfield oxbow; Mill Creek watershed confluence nearby
Acreage: 347 acres
Conservation: Municipal park (City of Cincinnati / Great Parks of Hamilton County)
Endangered species: none documented
GPS: 39.1020° N, 84.4280° W