http://www.epa.gov/owow/nps/unpavedroads/ch5.pdf Figure 5: Examples of Shrub Placement in or on Gabions creek bed slope Shrubs to be planted 2 per stack of 6-foot long gabions (see detail) Shrub Planting Detail (view from creek or bank) 2' Ball-stock shrubs (w/ root ball included) Gabions
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