Mine-timber production declines as more substitutes are used and less ore is mined
Subtitle: Lake States, 1958
By: Arthur G. Horn
Series: Technical notes (U.S. Forest Service, Lake States Forest Experiment Station) -- 570; Technical notes (Lake States Forest Experiment Station (Saint Paul, Minn.)) -- 570.
Publisher: U.S. Forest Service, Lake States Forest Experiment Station
Published: 1959
Place of publication: St. Paul, Minn
Language: eng
Subjects: Mine timbering; Roundwood