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 Area 2
Area Tributary to the Animal Lot
Area 1
Animal Lot
Area 3
Area adjacent to animal lot (buffer area is
that part between animal lot
and receiving water)
Limits of Animal Lot
Channelized Flow
Limits of Tributary Area
Direction of Surface
Water Runoff
Receiving Waters
Figure 1.1.6. Feedlot site plan. (After Young et al. 1982)
Area 1 Animal lot: confined animal area, devoid of vegetation, subtract area covered by
roofing.
Area 2 Tributary area: roof, upslope and tributary areas contributing runoff to Area 1.
Subareas (2a, 2b, and so on) with different cover types or soils may be distinguished within
Area 2. Area 2r is the roof area.
Area 3 Adjacent area: includes areas adjacent or lateral to Areas 1 and 2 that contribute to the
discharge point. Subareas within Area 3 (3a, 3b, and so on) may be distinguished as in Area 2.
1.1-21
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