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Creator:: Tollefson, Roger and Oregon. Fish Commission
Abstract:: “Starting the first part of July, 1947, the Fish Commission of Oregon set up a field station at Newport for the purpose of conducting research on shellfish.” (p.1) The status of clams in Yaquina Bay was the first topic studied. This paper gives the conditions of clam beds, lists species...
Resource Type:: Technical Report
Full Text:: ?tls l,r"}.sn* llno rrpor*dl,y bo*n r*pl*lS la* craaaln6 ln aroa drrlng the lnsb 5 or so yelsrtr -I

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: "On April 12, 1949 the Port Commission of Bayocean, Oregon made two test blasts directly out from Bayocean on Tillamook Bay. The purpose was to determine the feasibility of blasting a channel in that area to permit small boats to dock closer inshore. Although no consequential shellfish except oysters (beds...
Resource Type:: Technical Report
Full Text:: clai or c*bas. Sincere thanks are due to the Baoceen Part Commission, end Mr. Donald Toy. of ?tlas

Creator:: United States. Congress. Senate. Committee on Commerce
Abstract:: Authorizes extensions of the north and south jetties and maintenance dredging to improve the entrance to the harbor at Yaquina Bay. Describes past harbor improvements and expenditures and gives a brief description of the area and economic activities involving the harbor.
Resource Type:: Technical Report
Full Text:: REEXAMINATION OF YAQUINA BAY AND HARBOR, OREG. I1 PRESENTED BY MR. BAILEY OCTOBER 27, 1941.Referred to the

Creator:: United States. Congress. Senate. Committee on Commerce
Abstract:: This document concerns construction of a breakwater and small boat moorage basin at Yaquina Bay. Best available copy.
Resource Type:: Technical Report
Full Text:: 79TH CONGRESS (DOCUMENTSENATE2d Session No. 246 YAQUINA BAY AND

Creator:: Tollefson, Roger D., Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: When should the clamming season for horseneck, fat gaper, or horse clams (Tresus capax) be closed in Coos Bay? They are in "very poor condition" after spawning, and should not be harvested until they have a chance to recover from spawning season. But when do they spawn? Is Coos Bay...
Resource Type:: Technical Report
Full Text:: . ftzr fr Coo* Bay. It will not be o ible to anrn thj u.ntil. the rs or Coos ay are 4etermined., It was

Creator:: Tollefson, Roger D., Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: The Army Corps of Engineers dredged in Coos Bay in the fall of 1948, dumping dredge spoils on a large clam bed and killing the clams. Although Fish Commission biologists were unable to relocate the original planned dumping site, they observed the resulting increased pressures on remaining clam resources, and...
Resource Type:: Technical Report
Full Text:: counts were normal, or slightly below, yielding 21,3 clams per thousand square feet (e.g., Yaquixia Bay

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:: figures are extremely low even when compared to only a fair bed of eastern clams (Yaquina Bay near Toledo

Creator:: Tollefson, Roger and Oregon Fish Commission. Shellfish Program
Resource Type:: Technical Report
Full Text:: awbolt.)Ay. eather cMIt ions were good.. As has been noted before, thev :jfl &IPU of b1t:er ojam or ':g1

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: Did regulations restricting the harvest of cockle clams by recreational clammers also restrict commercial harvesting for crab bait? In the case of Netarts Bay, they did not. The reasons for the exemption are given in this document.
Resource Type:: Technical Report
Full Text:: clam for use as crab bait at etarts Bay was nde by the biologists of this lab. The recent releases on

Creator:: Tollefson, Roger and Oregon Fish Commission. Shellfish Program
Abstract:: Report of a meeting about two diking districts on the Yaquina River. Tide gates had failed and brackish water was flowing into areas where cattle were grazing, to the dismay of some local farmers.
Resource Type:: Technical Report
Full Text:: done h1 flaod1JJg' h1 t7!e~ or exosasbe rainfall. It _II m:irely II, llI&tt.l' of holding beek

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