PotlatchDeltic Corporation[2] (originally Potlatch Corp) is an American diversified forest products company based in Spokane, Washington.

[6] Potlatch planned a lumber mill on the Palouse River in north central Idaho and began construction in 1905, completing it in 1906.

The company town of Potlatch was built to serve the mill, and over 200 buildings were designed by architect C. Ferris White for the firm.

[7]: 8–9  Its commercial district, which includes the main administrative building of the company, was listed on the National Register of Historic Places in 1986.

During his tenure, which lasted until 1949, PFI continued to develop and practice sustained yield forest management in the Inland Northwest.

[11] PFI grew significantly during the postwar economic expansion, broadening its product portfolio and enlarging its manufacturing and sales footprint nationally.

[28][29] After 32 years in San Francisco, California, corporate headquarters of Potlatch were moved from One Maritime Plaza to downtown Spokane in 1997;[30][31][32] from 1931 to 1965, the company was based in Idaho at Lewiston.

[33][34] In March 2002, Potlatch sold its Cloquet, Minnesota, pulp and printing papers facilities and associated assets to Sappi Limited for $480 million.

[3][4] The company owns over 2,100,000 acres (3,300 sq mi; 8,500 km2) of timberland in rural Alabama, Arkansas, Georgia, Idaho, Louisiana, Mississippi, and South Carolina.