The Pres-to-log records of the Potlatch Corporation span the years 1933 to 1989, with the bulk of the material covering the decades of 1940, 1950 and 1960.

Included in the records are Wood Briquettes, Inc., correspondence with companies leasing Pres-to-log machines, general information on the product, photographs, and engineering drawings.

Additional information on Pres-to-logs may be found in other Potlatch Corporation records including MG135, MG139, and MG192.