Collection consists of 140 photographs and 13 Cirkut panoramic photographs taken by Harold M. Brown from approximately 1909 to 1956. The bulk of the collection documents the lumber, agriculture, and shipping industries in Oregon between 1917 to 1956. These photographs depict the following companies: Pope & Talbot Co., Eastern & Western Lumber Co., Oregon-American Lumber Co., Nicolai-Neppach Co., Crown Willamette Paper Co., Crown Zellerbach Corporation, and the Oregon Shipbuilding Corporation. Photographs of freighters used for lumber transportation are also included. The collection also contains photographs of locations in Oregon and Washington, including the Bonneville Dam, Cascade Locks, the Columbia River, Heceta Head, Mt. Adams, Mt. Hood, Portland, Tahkenitch Lake, Vanport, and the Washougal River. Additionally, there are portraits of Harold M. Brown and other people. The collection also includes photocopies of three of Harold M. Brown's photography ledgers, dating from 1922 to 1956, which include details about dates and locations for numbered Brown prints.