“Japanese oysters are to be experimented with by local oystermen. A shipment of 100 pounds came on the oriental liner Nicomedia consigned to A. L. Bush & Sons of Bay Center, Wash. They came from Japan, and are known as the Kanagawa variety.

Officials of the Portland and Asiatic Steamship company state that the firm procured the oysters with which to make an experiment…J.W. Ransom procured some of the same sort of oysters last year, and they were planted in Shoalwater ...

 “A few more or less successful attempts have been made to introduce the Japanese oyster into our waters.”

Kershaw, 1904

“The Nahcotta Point Oyster company has been organized in this city with Spokane, Seattle and Rossland capital. The company owns 160 acres of oyster beds on Willapa harbor near Oysterville, Pacific county, this state. Heretofore the seed oyster has been shipped from New Haven, Conn., and transplanted on the coast. It is the purpose of the new company to import the seed direct from Japan. Dan P. Bagnell of this city is one of the directors.”

The Spokane Press, Number 248, ...

“It is reported that during the past winter a considerable consignment of oysters from Japan was planted in Washington waters.”

Bowers, 1905. Company Is Formed to Raise Oysters.

“An Effort Also to be Made to Introduce Japanese Oysters on the Pacific Coast, as They Are More Congenial to the Cold Waters.
Special Dispatch to the Post-Intelligencer WASHINGTON, June 26. 
Representative Jones has been for some time working on Fish Commissioner Bowers regarding the introduction of lobsters and Japanese oysters into the waters of Washington, and directly after the passage of the bill providing for an appropriation of $1500 for an investigation of the coasts of Washington and Oregon, ...