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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

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

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

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

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

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

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

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

Creator:: United States. Army. Engineer District, Portland
Abstract:: Depoe Bay, situated on the Oregon Coast about 100 miles south of the mouth of the Columbia River and 13 miles north of Yaquina Bay at Newport, Oregon, is a small, rock-bound tidal lagoon much affected by man's activities. In its natural condition, Depoe Bay was very shallow, with a...
Resource Type:: Technical Report
Full Text:: ........................... 1 DREDGING HISTORY ........................ 4 PURPOSE OF REPORT....................... 6 STUDY AREA

Creator:: Slotta, Larry S., 1934-, United States. Army. Corps of Engineers. Portland District. Navigation Division, National Science Foundation (U.S.). Division of Environmental Systems and Resources, and Oregon State University
Resource Type:: Book
Full Text:: dredging and spoiling exceeding Environmental Pro- tection Agency recommended levels. Debris increased in

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