Photograph of an aerial shot of Site #6 Mill Creek Watershed #12 and surrounding area. A house and a couple of buildings are near the lower left of photograph. The back of the photograph proclaims, "Watershed: Ok-SCD-20, Wa #12, Site #1. Type of structure: Detention Reservoir. Drainage Area: 1440 acres (in pasture). Soil Units: Deep fine textured, slowly permeable soils. Condition of drainage area: 68% good native grass range, 32% fair native grass range. Peak flow: 2740 c.f.s. Release Rate: 35 c.f.s. Acres of bottomland protected: 160 acres immediately below in addition to part of system benefit on Mill Cree [sic]. Detention Reservoir located in hill pasture above flood plain."

Photograph of an aerial shot of Site #6 Mill Creek Watershed #12 and surrounding area. A house and a couple of buildings are near the top left center of photograph. The back of the photograph proclaims, "Watershed: Ok-SCD-20, Wa. #12, Site #6. Type of structure: Drop Inlet. Drainage area: 60 acres (52 acres in cultivation, 8 acres in pasture). General condition of drainage area: Terraced with inadequate outlets. 15 acres of bottomland protected. Stabilized terraces outlet & protects bottomland from silt."

Photograph of an aerial shot of Upper Mill Creek Watershed and the surrounding area. The back of the photograph proclaims, "Upper Mill Creek Watershed, OK-SCD-2WA-13. Structure: Flood Water Diversion (Under construction, 90% complete). Drainage area: 250 Acres. Silts above structure: 7 –GP. Soils protected by structure: 4 –GP. Area above structure: Pasture – poor condition. Drains directly into the channel of Mill Creek. Protects approximately 100 acres of bottom cropland from overhead flooding."