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 flooding occuring in the city limits of Cordell downstream from the proposed site 24, Calvary watershed.

Photograph of terrace outlet channel under construction. Channel will be widened, shaped and sodded. Vegetation will be allowed to become well-established before terrace water is emptied into it. Terraces will be constructed in the field and will empty into channel from both sides. Mr. Ray Murrell, Work Unit Conservationist, and Mr. Paul Hertzler, farm owner, examine a conservation survey map on which the location of the channel and terraces are indicated. OK-8916.

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.