Photograph of a drop inlet on Cloud Creek watershed operating after a 4. 6 inch rain in 4 hours. This drop inlet is above Detention Reservoir No. 1. Very little of the one inch flood storage was used. A 48 inch pipe is through the dam and the 280 acre drainage area had good land treatment on it.

Photograph of an aerial shot of Drop Inlet #5, Cloud Creek Detention Reservoir #1, and the surrounding area. The back of the photograph proclaims, "Cloud Creek. Ok-SCD-4. Wa. No. 5. Drop inlet. Drainage area 272 acres. Approximately 4-inch storage in permanent pool & approximately 5-inch storage in flood pool. (Note white marker at arrow – point shows the flood pool elevation). The soil unit is shallow, medium textured, permeable soil. 130 acres cultivation & remainder pasture land. Drainage area has most of the mechanical conservation practices applied & is in good condition. This drop inlet is above Detention Reservoir #1. It was installed to control overfall above it cutting back into cropland. One overfall is on right hand side of picture."

Photograph of detention reservoir # 2, Cloud Creek, one hour after a 4.6 inch rain fell in 4 hours. No water was discharged past the dam. There was approximately 1.2 inches of runoff. The earth embankment is 32,315 cubic yards. The drainage area is 600 acres. The permanent pool is 7.5 acres. 70 acre-feet storage and 1.4 inches [depth of water coverage?]. The flood pool is 18.6 surface acres. 113 acre feet storage 2.3 inches [depth of water coverage?]. Cost is $16,661.00. Benefit / cost ratio is 5.3 / 1. See OK-9541 and OK 9542. OK-10, 011.

Photograph of a drop inlet on the Cloud Creek watershed operating after a 4.6 inch rain in 4 hours. This drop inlet is above Detention Reservoir # 1. Very little of the one inch flood storage was used. A 48 inch pipe runs through the dam and the 280 acre drainage area had good land treatment on it. OK-10, 012.

Photograph of an aerial shot upstream from a flood seen in Olka-10-013, Okla-10-015, Okla-10-016, Okla-10-018, and Okla-10-021, which was at its highest point when this photo was taken. The back of the photograph proclaims, "The flood shown in Olka-10-013, Okla-10-015, Okla-10-016, Okla-10-018, and Okla-10-021 on the Washita River was developed from rains below this point on the Washita. This photo was taken of the river at the highest stage during the flood lower down at Mountain View, Carneige [sic], Fort Cobb, and Anadarko."

Photograph of an aerial shot of Cloud Creek Watershed Detention Reservoir #1 and the surrounding area. The back of the photograph proclaims, "Cloud Creek Watershed. Ok-SCD-WA-#5. Detention Reservoir #1. The drainage area is 1300 acres of this 850 acre cultivated & 450 pasture. Medium textured, permeable soil. Drainage area in good condition. 4 drop inlets are above this structure which will hold the silt from above it. Permanent storage – 30 surface acres; 195 ac. ft. & 1.8 ac. Inches. Flood pool 56 surface acres; 380 ac. ft. & 3.5 ac. inches. Peak flow uncontrolled (25 year frequency) approximately 3000 cfs. Release rate from reservoir at present time approximately 400 cfs. Drop inlet is 3 ft. 6 inch concrete box with concrete stilling basin. It is planned to put cap on drop inlet to out discharge to 60 cps. Benefit cost ratio 5.3/11. See Okla-8601-A, B, & C. and Okla-9537."