PERMFILE51723

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: SEDCAD cont.
• Section_Exhibit Name: Illustration 44 PART 5
• Media Type: D
• Archive: No

Sedcad Notes:
• Western laydown areas between the Railroad Loop and Slot Storage (#2)
Soils -Cushman silt loam, hydrologic soils group B, K = 0.24 per Table I-2 page II.1-18.
Structure #1
Subwatershed #1
CN = 61 Pasture, grassland, or range -continues forage for grazing -good condition
C = 0.009 From RUSLE 1.06
• Time invariant
^ General land use - 9 -disturbed fill, topsoil, no rock cover.
^ Vegetation info from plant community and site potential
^ Plant community - 12. Pasture/bunchgrass
^ Annual site production potential = 800 lbs/ac, conservative estimate.
^ 30% canopy cover -measured at 36%
• 0.5' average fall height
^ Roughness 1.0 -mixed grass prairie.
^ Disturbance -yes
^ 17 yeazs since last disturbance
^ 80% total ground cover -measured at 84%.
• L = 280 Measured
S = 4% Measured
Area = 2.44 acres
Notes: No indication of runoff or sediment deposition.
Well established reclamation.
Subwatershed #2
CN = 61 Pasture, grassland, or range -continues forage for grazing -good condition
C = 0.010 From RUSLE 1.06
^ Time invariant
^ General land use - 9 -disturbed fill, topsoil, no rock cover.
^ Vegetation info from plant community and site potential
• Plant community - 12. Pasture/bunchgrass
• Annual site production potential = 8001bs/ac, conservative estimate.
^ 30% canopy cover -measured at 36%
^ 0.5' average fall height
• Roughness 1.0 -mixed grass prairie.
^ Disturbance -yes
• ] 7 years since last disturbance
• 80% total ground cover -measured at 84%.
L = 140 Measured