Papers of a Hudson's Bay Company agent, justice of the peace, and early merchant of Cathlamet, Washington Territory. Includes Birnie & Co. accounts with Abernethy & Co.; Allan, Lowe & Co.; Henry W. Corbett; Ladd, Reed, & Co.; and other businesses in northwestern Oregon and California. Also includes fishery accounts; Cathlamet real estate records; estate papers of James A. Scarborough; and guardianship records of Edwin and Robert Scarborough.