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Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: This document is in three parts: a report on the ghost shrimp fishery, elucidation of a method to tax commercial crab landings, and a description of a commercial enterprise that was catching small shore crabs and embedding them in plastic for sale as tourist souvenirs.
Resource Type:: Technical Report
Full Text:: , Lowell Do Marriage, Biolog1sts o April, 1949 -.... ) n rJ f"'> " C ""' ~ c::. ,~ c

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:: populations, providing the spoils are held within the designated boundaries, Roger ToUel'son, Lowell D

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:: is little ihoek or other physiological. dage. roger ol1efson Lowell D. YAriage Biologists X'O

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission
Abstract:: In mid-December, 1948, during the time the crab season was closed in State waters, a boat caught crabs outside the entrance to the Columbia River, which was outside the three-mile jurisdictional limit. Because "one man was already fishing," the crab fleet members began to complain and threaten to fish before...
Resource Type:: Technical Report
Full Text:: :ossaseien Unite or otnr such. eul.atious. Bopy ?ollefson LoweLl D. rriage - ioloti ste Decaer ft bsf

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: The new closed season for commercial crab fishing in Oregon went into effect in 1948. This 1949 document summarizes the results of the 1948 closure and details research and procedures being used to refine the closing dates. This document provides a good look at earlier methods of natural resource management...
Resource Type:: Technical Report
Full Text:: of crabs/bioloeical standpoint¢ FurtherJ the number of areas cover~d and amount of gear from each

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: This document marks the beginning of a long struggle for Oregon natural resource managers to find the best time to open the crab season. The time of crab molting is highly variable, and it is hard to determine the best time (firm shells, full of meat) to start the commercial...
Resource Type:: Technical Report
Full Text:: , effective two weeks from date ot notice. Roger Tollefson Lonll D. Marriage A:;uatic Biologists

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: Much of this report is concerned with the perennial question of when crabs are in the soft-shell state, as opposed to when the commercial fishing season should be open. Other topics covered include molted crab shells, methods of measuring crab shells to determine if they meet size limits, early growth...
Resource Type:: Technical Report
Full Text:: construoted to continue this interesting growth experiment on the cockle clam. Roger Tollefson, Lowell D

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: Reports on an investigation of a request by the C.D. Johnson Lumber Company to construct a log boom two miles below Toledo on the Yaquina River. Local residents were concerned that the boom would damage clam beds. Includes a hand-drawn map of the area.
Resource Type:: Technical Report
Full Text:: y 16, 1949 Notioe w 4v.n out y 9., 1949 by the Arrny iineers of app1icat ion by C, D. Johnson Luer

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
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Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: Gives crab boats and number of pots fished for Astoria and Tillamook Bay. Gives number of crab pots being fished for given localities. Gives per cent of soft-shelled crabs by local areas.
Resource Type:: Technical Report

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