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Volume II: Operation and Maintenance of the Channels and Breakwaters in Yaquina Bay and River Oregon

Creator:: U.S. Army Engineer District
Abstract:: Introduction- “This Volume… contains information accumulated during an environmental assessment of the Yaquina Estuary region. This information is the basis for many statements contained in the companion volume.” Companion Volume: Volume I: Draft Environmental Impact Statement Operation and Maintenance of the Channels and Breakwaters in Yaquina Bay and River, Oregon...
Resource Type:: Technical Report

Proposed dredging operations in Coos Bay and their probable affect on clam populations (areas upbay from the railroad bridge, with notes on the other disposal areas)

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: In 1949, the Army Corps of Engineers dredged Coos Bay. “Despite objection of local residents, commercial clam diggers, and the Fish Commission” the Corps dumped dredging spoils on a commercially important clam bed, and destroyed much of it. “This year, with an earlier start and more data, it is hoped...
Resource Type:: Technical Report
Full Text:: , 1950 I'ROPOSED DREDGING OPERATIONS IN COOS SAY AND THEIR PROBABLE AFFECT ON CLAM POPULATIONS (AREAs

Impacts of dredged material disposal on estuarine benthic macrofaunal communities in Coos Bay, Oregon

Creator:: Erman, Lisa T.
Abstract:: Hopper dredge disposal of coarse grained sediment was investigated between May and September, 1986, at a designated disposal area, Site G, in Coos Bay, Oregon. The objectives of the study were to: (a) identify and describe the benthic macrofaunal community structure at Site G during May and September, 1986; (b)...
Resource Type:: Masters Thesis
Full Text:: for maintenance dredging and the environmental problems associated with it are addressed in

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

Feasibility of artificial clam beds

Creator:: Snow, C. Dale and Oregon. Fish Commission. Management and Research Division
Abstract:: What should be done with dredge spoils? "This report discusses two clam beds that were inadvertently established by dredge spoils and suggests the type and magnitude of study I think is needed to determine the feasibility of creating new clam beds with dredge spoils." Includes maps of Yaquina Bay, and...
Resource Type:: Technical Report
Full Text:: dredging projects. One of the major problems of these projects has been the disposal of "spoils

Construction of bulkhead and log boom at Empire, Oregon by the Coos Bay Pulp Corporation

Creator:: Morgan, A. R. and Oregon. Fish Commission. Shellfish Program
Abstract:: An area in Coos Bay was dredged to make room for a log boom. This terse 1953 report concerns a bulkhead constructed to hold the dredging spoil and the proposed new log boom.
Resource Type:: Technical Report

Report on the Rogue River mouth improvement program

Creator:: Tollefson, Roger D., Marriage, Lowell D., and Oregon. Fish Commission. Shellfish Program
Abstract:: This report concerns the disposal of dredging spoil in the Rogue River estuary in 1948. Since there were few shellfish resources existing in the estuary at the time, Oregon Fish Commission biologists had no objection to make to the disposal of the dredged materials.
Resource Type:: Technical Report

The 1960 Yaquina Bay clam study

Creator:: Snow, C. Dale, Demory, Darrell, and Oregon Fish Commission
Abstract:: In 1960, the Army Corps of Engineers was planning to extend the jetties and to deepen the channel at Yaquina Bay. The Corps proposed to dump its dredging spoils in Sally's Bend, a highly productive part of the bay. In response to this request, in the summer of 1960, Fish...
Resource Type:: Technical Report

Investigation of proposed dike construction in Coos Bay at Eastside, Coos County, Oregon

Creator:: Marriage, Lowell D. and Oregon. Fish Commission. Shellfish Program
Abstract:: Reports on an investigation of a proposal by the Evans Products Company of Coos Bay to construct a dike in the bay. Investigators found negligible quantities of the Eastern soft-shell clam, and therefore did not oppose the proposed dredging and construction. Includes a hand-drawn map and a survey report.
Resource Type:: Technical Report
Full Text:: to this investigation. Assuming the construction and dredging stays within the boundaries defined

Findings of compliance, dredged material disposal activities : Yaquina Bay and River federal navigation channel

Creator:: United States. Army. Corps of Engineers. Portland District
Abstract:: Sediments from Yaquina Bay and the Yaquina River from the river mouth to river mile 14, and from Depoe Slough at river mile .25 and 1.5 were tested. While sediments near the river mouth were "extremely clean," and main-channel sediments were relatively clean, Depoe Slough sediments were more polluted. Alternatives...
Resource Type:: Technical Report
Full Text:: . Dredging in the Yaquina River upstream of YRM 2.4 occurs no more often than once every 5 years. Hopper

ScholarsArchive@OSU

Volume II: Operation and Maintenance of the Channels and Breakwaters in Yaquina Bay and River Oregon

Proposed dredging operations in Coos Bay and their probable affect on clam populations (areas upbay from the railroad bridge, with notes on the other disposal areas)

Impacts of dredged material disposal on estuarine benthic macrofaunal communities in Coos Bay, Oregon

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

Feasibility of artificial clam beds

Construction of bulkhead and log boom at Empire, Oregon by the Coos Bay Pulp Corporation

Report on the Rogue River mouth improvement program

The 1960 Yaquina Bay clam study

Investigation of proposed dike construction in Coos Bay at Eastside, Coos County, Oregon

Findings of compliance, dredged material disposal activities : Yaquina Bay and River federal navigation channel

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