Photograph of an aerial shot of Site 18 Mill Creek and the surrounding area. The back of the photograph proclaims, “The dam was completed late in the fall of 1949. In this the permanent pool lacks approximately 4’ of being up to the lip of the drop-inlet riser.”

Photograph of an aerial shot of a diversion terrace for Site 6 Mill Creek and the surrounding area. A farmstead with several buildings is located in the bottom part of the photograph. The back of the photograph proclaims, “Watershed: Ok-SCD-20 Wa. #5. Site #6. Type of structure: Diversion terrace for Site #6. Drainage area: 155 acres (90 acres in pasture, 65 acres in cropland). General condition of drainage area: Severely eroded, gully & sheet. Acres of bottomland protected: 90 acres (Protects bottomland & Detention Reservoir #1 from silt).”

Photograph of aerial view of watershed: OK-SCD-20 Wa #5, Site #3. Type of structure: Drop inlet. Drainage area: 160 acres. Soil units: Deep medium textured slowly permeable and permeable. Area in cultivation: 32 acres. Area in pasture: 12 acres. Area in abandoned cropland: 116 acres. General condition of drainage area: Poor cover, sheet and gully erosion. Note: Right edge shown Site #2 on Adolph Johanson farm. Type of structure: Drop inlet. Drainage area - 15 acres (4 acres in pasture, 11 acres in abandoned cropland). General condition of drainage area: Poor cover, serious gully & sheet erosion. It protects detention reservoir #1 & bottomland from silt. See pipe installed in third gully from right edge.

Photograph of aerial view of a permanent pool full in this view. This reservoir will hold an additional 12 ft. of depth before the emergency spillway on extreme left (not shown) will begin to function. Flood water release is through an 18" metal pipe inlet. Trash rack (at center of dam) for this drop inlet is visible.

Photograph of aerial view of Calvert Bros. Hereford Ranch in background. Bottomland alfalfa in left background protected by this detention reservoir.

Photograph of aerial view of dam that was completed late in the Fall of 1940. In this the permanent pool lacks approximately 4' of being up to the lip of the drop inlet riser.

Photograph of an Eversman Land Leveler.

Photograph of a homemade border packer filled with concrete. OK-148-2.

Photograph of a gully on the Doug Gray farm before shaping and sprigging to Bermuda grass.

Photograph of Pasture. Blue River bottom land cleared in 1956. It consisted of wet, poorly drained timber land near worthless pasture before clearing and planting to Midland Bermuda grass and clover. Planted to Bermuda grass in 1957. 500 acre ranch has 200 acres under cultivation. By 1959, it had 135 grown cows and 500 sheep and offspring, using vetch and clover for sown pasture. 10 on hill. 11 on bottom was cleared. OK-1050-10.

Photograph of a tentative range site is Rocky prairie. Excellent condition Dolomite limestone rock with pockets of deep fertile soil between outcrops. Dpminant vegetation is big and little bluestem and Indiangrass.

Photograph of a small grain vetch and clover pasture. Companion pictures see OK-1050-10.

Photograph of Blue River bottom land. Cleared in 1956. Was wet, poorly drained timber land near wortless pasture before clearing and planting to midland bermuda and clover. Planted to bermuda 1957, 500 acre ranch has 200 acres on cultivation. 1959-ran 135 head grown cows and 500 sheep and offsprings. Uses vetch and clover for sown pasture. 10-on hill, 11 on bottom, all was cleared.

Photograph of a severly eroded area on the Sandy Creek watershed. OK-1505-9.

Photograph of sumac in a hay meadow. Food and shelter for wildfires. OK-1406-10.

Photograph of an aerial shot of "Protected bottomland below Site 17, Mill Creek."

Photograph of an aerial shot of Site #3 Mill Creek Drop Inlet and the surrounding area. The photograph also shows Site #2 Mill Creek Drop Inlet on Adolph Johnson farm on the right edge of photograph. The back of the photograph proclaims, "Watershed: Ok-SCD-20 Wa. #5, Site #3. Type of structure: Drop inlet. Drainage area: 160 acres. Soil units: Deep medium textured slowly permeable and permeable. Area in cultivation: 32 acres. Area in pasture: 12 acres. Area in abandoned cropland: 116 acres. General condition of drainage area: Poor cover, sheet and gully erosion. Note: Right edge shows Site #2 on Adolph Johnson farm. Type of structure: Drop inlet. Drainage area – 15 acres (4 acres in pasture, 11 acres in abandoned cropland). General condition of drainage area: Poor cover, serious gully & sheet erosion. It protects detention reservoir #1 & bottomland from silt. See pipe installed in third gully from right edge."

Photograph of an aerial shot of Site 15 Mill Creek dam and the surrounding area. The back of the photograph proclaims, "This dam is 1600' long. It has a maximum height of 39' and contains 104,500 cu. yards. It is one of 24 planned reservoirs for the Mill Creek system. In addition to reducing the floods on the main stem of Mill Creek it gives 100% protection to the alfalfa field show in Okla-9863c."

Photograph of an aerial shot of bottomland alfalfa just below site 15, Mill Creek near the Colvert Bros. Hereford Ranch. Site 15 Mill Creek is in the background of the photograph. The back of the photograph proclaims, "Bottom land alfalfa just below site 15, Mill Creek. Two years ago Colvert Bros. lost 1000 bales of alfalfa in one flood. This alfalfa is approximately 1 foot high and ready for outing. You can see the scour channels in alfalfa, evidence of frequent overflow and damage in the past."

Photograph of an aerial shot of Mill Creek Site 1 Drop Inlet and the surrounding area. The back of the photograph proclaims, "Watershed: Ok-SCD-20 Wa. #5. Site #1. Type of structure: Drop Inlet. Drainage area: 57 acres. Soul units: Deep medium textured slowly permeable & permeable soils. All in pasture. General condition: Good cover but large active gullies. Protects Detention Reservoir, Site #1 and bottomland from silt."

Photograph of an "Outlet hydrant for sprinkler irrigation."

Photograph of highway roadside undercut by floodwaters. The back of the photograph proclaims, "Under cutting by flood waters eating back away and into highway. Rock being hauled in for dumping by highway."

Photograph of a flock of sheep standing and grazing in a small grain vetch and clover pasture. The back of the photograph proclaims, "Small grain vetch and clover pasture. Companion pictures see Ok-1050-10, Ok-1050-11."

Photograph of Blue River bottom land. Cleared in 1956. Was wet, poorly drained timber land near wortless pasture before clearing and planting to midland bermuda and clover. Planted to bermuda 1957, 500 acre ranch has 200 acres on cultivation. 1959-ran 135 head grown cows and 500 sheep and offsprings. Uses vetch and clover for sown pasture. 10-on hill, 11 on bottom, all was cleared.