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watershed_management_stream_crossing_structures

Watershed Management

Stream Crossing Structures

Size Required Culvert Dia (in) Area(ft2) Area Above Crossing Acres
18 1.76 7 or less
21 2.40 12
24 3.14 16
30 4.90 27
36 7.06 47
42 9.62 64
48 12.56 90
54 15.90 120
60 19.63 160
66 23.75 205
72 28.75 250
78 33.18 350
watershed_management_stream_crossing_structures.txt · Last modified: 2012/08/30 16:51 by 128.192.48.76