Search Constraints

Start Over
Filtering by: Subject Dredging -- Environmental aspects -- Tropics Remove constraint Subject: Dredging -- Environmental aspects -- Tropics Decade 1990-1999 Remove constraint Decade: 1990-1999

Search Results

  • Effects of a 4-inch suction dredge on benthic macroinvertebrates in southwestern Oregon

    Creator:
    Perez, Diana H.
    Abstract:
    Effects of 4-inch (10.16 cm) suction dredge mining on benthic macroinvertebrates in 3rd to 4th order streams were investigated in 1996 by evaluating four mining claim operations in Althouse Creek, Sucker Creek, and Taylor Creek in southwestern Oregon's Rogue River basin. The effects were site-specific. The study showed no significant...
    Resource Type:
    Masters Thesis
    Full Text:
    dredging is one of the few economically feasible methods for mining gold. Suction dredges are used in