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IL Engineering Field Handbook Supplements 7-42 - 8-130

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Chapter 7 - Grassed Waterways

Illinois NRCS Engineering Supplement

File
Name

File
Type

Velocity Design Method

7-6(1)
to
7-6(9)

PDF


Minimum Standard Design 7-14(1) to
7-14(5)
PDF

Erosion Control Blanket 7-22(1) PDF

 

Chapter 8 - Terraces
Illinois NRCS Engineering Supplement File
Name
File
Type
Natural Storage Above Narrow All Grass Terraces in Cu. Ft. / Lin. Ft.

8-92.1

PDF

Subsurface Drainage Chart 8-100.1 to
8-100.3
PDF

Exhibit 8-5.1 Discharge Rates of Circular Orifice in C.F.S. 8-102.1 PDF

Terrace Design Procedure 8-105 to
8-130
PDF

 

Chapter 9 - Diversions
Illinois NRCS Engineering Supplement File
Name
File
Type
Velocity Design Method for Diversion 9-8(1) PDF

 

Chapter 10 - Gully Treatment
Illinois NRCS Engineering Supplement File
Name
File
Type
No supplements submitted at this time.    

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Last Modified March 20, 2013
By Manny Quinones, USDA-NRCS
Email: manuel.quinones@il.usda.gov